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21st Birthday Quotes

These 21st birthday quotes help mark a milestone year in a person’s maturation from childhood into adulthood.

The 21st year represents the legal age to do so many things that were once not allowed. It is not just an opening to new opportunities; the 21st birthday also comes with new responsibilities and duties.

Here are some famous 21 birthday quotes, sayings, and birthday wishes that could just be the perfect words.

Happy 21st birthday quotes.

Best 21st Birthday Quotes

  1. On the roller coaster of life, your 21st birthday is like being at the top of the first giant hill with your hands in the air and no lap bar.
    Greg Tamblyn
  2. Finally 21 and legally able to do everything I’ve been doing since 16.
    Unknown
  3. When a man is tired of life on his 21st birthday, it indicates that he is rather tired of something in himself.
    F. Scott Fitzgerald
  4. 21 is the age of responsibility. Give it a few months, and you will be wondering why you were in such a hurry to get here.
    Unknown
  5. Live as long as you may. The first twenty years are the longest half of your life.
    Robert Southey

Check out Happy Birthday Best Friend.

Cheers

  1. Now that you’re 21, nobody can tell you what to do unless, of course, you’re married.
    Melanie White
  2. The party is on my birthday, June 21 – my 21st on the 21st, which is Midsummer’s Day, the longest day of the year and the longest night for a lot of people who are helping to organize it. My father very kindly suggested having a party, although he’s probably regretting it now.
    Prince William
  3. When I was a boy of fourteen, my father was so ignorant I could hardly stand to have the old man around. But when I got to be twenty-one, I was astonished at how much he had learned in seven years.
    Mark Twain
  4. Just remember, once you’re over the hill you begin to pick up speed.
    Charles M. Schulz
  5. At twenty years of age, the will reigns; at thirty, the wit; and at forty, the judgment.
    Benjamin Franklin
  6. From the time I was 16 to really up until turning 21, the roles were really, really few and far between. I had people say that I just wasn’t a good singer. They didn’t know what to do with me; I would never fit in any market. I almost quit acting altogether.
    Naya Rivera
  7. Check out: “How to make saying Happy Birthday sound more interesting than Good Morning”
21st birthday quotes.

Happy 21st Birthday Quotations

  1. Nature gives you the face you have at twenty, but it’s up to you to merit the face you have at fifty.
    Coco Chanel
  2. Youth is a disease from which we all recover.
    Dorothy Fulham
  3. You are only young once, but you can stay immature indefinitely.
    Unknown
  4. Hey, you just turned 21! Call your parents and tell them they can’t make you go to bed!
    Unknown
  5. Now that you’re 21, it’s time to stop playing video games and start designing them.
    Melanie White
  6. When you’re 20 and pretty, then you’re rather like Switzerland–beautiful but dull.
    Faye Dunaway
  7. At 16 you can drive. At 21 you can have a cold one. Do both at the same time, and your present might not have a future.
    Greg Tamblyn

Check out the Best Happy Birthday Message ideas

They say it’s your Birthday

  1. It’s your 21st birthday now you can buy me a drink.
    Unknown
  2. My advice for a 21-year-old: Don’t drink and vote.
    Melanie White
  3. Twenty-one is a super important milestone birthday event. It means you have less than 80 years to hit 100.
    Unknown
  4. At twenty-one, so many things appear solid, permanent, and untenable.
    Orson Welles
  5. 21 is a terrific age, maybe the best. Too bad you can’t be that old for the rest of your life
    Greg Tamblyn
  6. A Twenty-First Birthday!
    A special one, too!
    Because of good wishes
    Are coming to you!
    Good luck, happy future,
    With joys in their prime
    To keep life attractive
    And bright all the time.
    Unknown

You might like our Birthday Greetings for a Friend page.

Funny 21st Birthday Wishes

  1. Your 21st birthday is going to be the best one you have ever had. We are going to make this a night you never forget- literally! Happy birthday my friend!
  2. When I turned 21, the times were simpler, slower, and boring! Today, 21, is your ticket to a new and exciting world. It’s time to celebrate! Happy 21st birthday!
  3. Turning 21 is a big deal. You have survived long enough to prove to the world you are a responsible, loving, and legal adult. Happy birthday, and here is to the next 21 years!
  4. I cannot believe you are now legal! I am so glad I have someone who can supply me with alcohol! Just kidding, but happy birthday!
  5. We are in the fast lane to the best 21st celebration ever. I know you are going to have a fabulous time tonight; happy birthday!

21st Birthday Messages

  1. Bravo, you’re 21 and legal! Time to throw out your collection of fake IDs. Hugs and Kisses and 21st Birthday Wishes!
  2. Here is my advice to you: the last 21 years went by so fast. I hope the next 21 are just as incredible as the first; just take your time to enjoy everything. Happy birthday, dear!
  3. Now that you’re 21, you’ve got plenty of catching up to do in the drinking department. Happy 21st birthday!
  4. Have a super-duper 21st birthday celebration!
  5. Great freedom comes with great responsibility. So, party hard, but party smart.

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21st Birthday Sayings

  1. I cannot believe you are finally 21 years old! You have grown into such a beautiful/ handsome young man/ woman. I hope that you have the best birthday ever.
  2. Congratulations on turning 21. Now you’re old enough to pay for your beverages.
  3. Kiss your 20’s goodbye! You’re entering a new chapter of your life with plenty of responsibility to boot. But, just be yourself, and enjoy the ride.
  4. Although you’re 21 now, you still can’t wait to blow out your candles, eat your birthday cake, and open your gifts. It looks like you already have your priorities straight. Happy 21st birthday!
  5. May your 21st birthday be even more wonderful than you ever expected. If there’s anyone who deserves a truly special day, it’s someone as special as you.

See Happy Birthday Cousin Wishes Ideas.

What to Write on a 21st Birthday Card

  1. 21 and legal? Proceed with caution.
  2. You’ve just turned 21. Your whole life is ahead of you. Take the road less traveled and stop along the way to enjoy the scenery. Happy 21st birthday!
  3. Your life is just about to pick up speed and blast off into the stratosphere. Wear a seat belt and be sure to enjoy the journey. Happy 21st birthday!
  4. You can grow up and be sensible tomorrow. Tonight, we party!
  5. Don’t chase anything but drinks and dreams.
  6. Your 21st Birthday Party is a once-in-a-lifetime event. Can’t wait to celebrate with you.
  7. Objects in your rearview mirror may appear childish.

Tip: Use these 21st birthday quotes on birthday cards, Instagram captions, Facebook posts, emails, letters, and more.

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Inspirational 21st Birthday Quotes

  1. 21 is when you finally grant your parents their freedom.
    Melanie White
  2. You’re 21 now, so you can drink. Just think, in 14 years, you can become president of the United States. Just because you can do something doesn’t mean it’s a good idea to try.
    Unknown
  3. Congratulations! You’re no longer a teenager. Now just wait till you get to be the parent of one.
    Greg Tamblyn
  4. At 21, you can have it all―all the bills, problems, and responsibilities of an adult.
    Unknown
  5. From now on, you have to watch out for your every move. You are at the age where you can legally get stoned and lose your money from gambling.
    Unknown
  6. One fun thing on your 21st birthday is getting carded. It’s even more fun on your 30th.
    Melanie White

Words of Wisdom For Your Bday

  1. There is only one thing left to do on the 21st birthday that you have never done before―vote.
    Unknown
  2. The 21st breakthrough is so much more than an age. It’s about great moments, a lot of fun, and the impatience of all the wonderful things that are about to come.
    Unknown
  3. At 21 years old, lots of new doors open up. Unfortunately, the ones that could get you in the most trouble are the most tempting.
    Unknown
  4. Age is no guarantee of maturity.
    Lawana Blackwell
  5. Long-expected one and twentyLing’ring year, at last, has flown; pomp and pleasure, pride and plenty, Great Sir John, are all your own.
    Samuel Johnson
  6. I’m in a pleasant position to announce that you are able to drink and gamble from now on.
    Unknown
  7. Birthdays are good for you. Statistics show that the people who have the most live the longest.
    Larry Lorenzoni
  8. At twenty years of age, the will reigns; at thirty, the wit; and at forty, the judgment.
    Benjamin Franklin
  9. Youth is happy because it has the ability to see beauty. Anyone who keeps the ability to see beauty never grows old.
    Franz Kafka
  10. Live well, learn plenty, laugh often, and love much.
    Kate Summers

Tip: Some of these 21st Birthday Quotes make great photo captions for the birthday boy or girl!

Check out Happy Birthday, Sister!

Turning 21 Quotes

  1. At the age of twenty, we don’t care what the world thinks of us – at thirty, we worry about what it is thinking of us – at forty, we discover that it wasn’t thinking of us at all.
    Unknown
  2. Welcome to the grown-up world of legal age. Experience life at its best with all your own bills, problems, and worries.
    Unknown
  3. Being 21 isn’t all it’s cracked up to be. You have to start buying your own toilet paper.
    Melanie White
  4. I sold my first script when I was 21 – this kids’ adventure movie that never got made. I just bought that one back, actually. I’m pretty psyched about it.
    Jason Segel
  5. Finally twenty-one. Are we the grownups now?
    Unknown
  6. Uh uh uh, turning the car into oncoming traffic…is counterproductive!
    Jim Carrey
  7. Don’t be intimidated by my outfit; it’s Forever 21.
    Natasha Leggero
  8. Don’t let your spirits get lower than your bank account.
    Andy Atticus

If you have any ideas for 21st Birthday Quotes, please let us know via the contact page.

HBD Sayings

  1. I don’t know what all the fuss is about turning 21. By 21 you should realize that birthdays just mean more responsibility. So remember to be more responsible.
    Unknown
  2. At 21 years old, I could produce 400 people like that.
    Eddie Perez
  3. 21 is that magical age when suddenly all the things your parents taught you, whether you wanted to learn them or not, start to look like pretty good information.
    Unknown
  4. Tonight, all the focus will be on you – it’s just as well because you won’t be able to focus on anything.
    Unknown
  5. A birthday is just the first day of another 365-day journey around the sun. Enjoy the trip.
    Unknown

I hope you enjoyed these quotes and wishes.

By Michael O’Halloran

About Michael O'Halloran

Michael O’Halloran founded Greeting Card Poet in 2014 and has worked as its publisher and editor ever since. He has co-authored four books on kids’ trivia and authored four books on coaching. Previously, Michael was the president of Magnetic Poetry. He has invented and brought over 75 new gift and toy products to market, most dealing with wordplay. Mike is married and a father of four daughters.

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