Harry Potter turns 38 years old Sunday, July 31, which is “coincidentally” the same day as author J.K. Rowling’s birthday. The British writer is celebrating her 53rd birthday today. 

To celebrate the half-blood prince’s birthday, here are some quotes from the films and books, courtesy of Good Reads and Huffington Post:

1. “It does not do to dwell on dreams and forget to live.” —J.K. Rowling [Harry Potter and the Sorcerer's Stone]

2. "Not to be rude or anything, but this isn't really a great time for me to have a House Elf in my bedroom." — Harry Potter [Harry Potter and the Chamber of Secrets]

3. "Why would I go looking for somebody who wants to kill me?"— Harry Potter  [Harry Potter and the Prisoner of Azkaban]

4. "I solemnly swear that I am up to no good." — Harry Potter [Harry Potter and the Prisoner of Azkaban]

5. "Mischief managed." — Harry Potter [Harry Potter and the Prisoner of Azkaban]

6. “I don't go looking for trouble. Trouble usually finds me.”  —Harry Potter [Harry Potter and the Prisoner of Azkaban]

7. "I didn't put my name in that cup, I don't want eternal glory." — Harry Potter [Harry Potter and the Goblet of Fire]

8. "Hey! My eyes aren't 'glistening with the ghosts of my past'!" — Harry Potter [Harry Potter and the Goblet of Fire]

9. “It is a strange thing, but when you are dreading something, and would give anything to slow down time, it has a disobliging habit of speeding up.” –J.K. Rowling, [Harry Potter and the Goblet of Fire]

10. "Facing this stuff in real life is not like school. In school if you make a mistake you can just try again tomorrow, but out there when you're a second away from being murdered or watching a friend die right before your eyes, you don't know what that's like." — Harry Potter [Harry Potter and the Order of the Phoenix]

11. "Working hard is important. But there is something that matters even more, believing in yourself." — Harry Potter [Harry Potter and the Order of the Phoenix]

12. "Every great wizard in history has started out as nothing more than what we are now, students. If they can do it, why not us?" — Harry Potter [Harry Potter and the Order of the Phoenix]

13. "I just feel so... angry, all the time., and what if after everything I've been through, something's gone wrong inside me. What if I'm becoming bad?" — Harry Potter [Harry Potter and the Order of the Phoenix]

14. "The prophecy said: neither one can live for the other one survives. It means one of us is gonna have to kill the other in the end." — Harry Potter [Harry Potter and the Order of the Phoenix]

15. "Even though we got a fight ahead of us, we've got one thing that Voldemort doesn't have. Something worth fighting for." — Harry Potter [Harry Potter and the Order of the Phoenix]

16. “An invisible barrier separated him from the rest of the world. He was – he had always been a marked man.” — J.K. Rolwing, [Harry Potter and the Order of the Phoenix]

17. "It's true. I am the Chosen One, only I can destroy him, but in order to do so, I need to know what Tom Riddle asked you all those years ago in your office, and I need to know what you told him. Be brave, sir. Be brave like my mother."— Harry Potter  [Harry Potter and the Half-Blood Prince]

18. "This is where I was born. I won't return as someone else." — Harry Potter [Harry Potter and the Deathly Hallows: Part 1]

19. "Dumbledore trusted me to see this through...I'm not interested in what happened between you and your brother. I don't care that you've given up. I trusted the man I knew." — Harry Potter [Harry Potter and the Deathly Hallows: Part 2]

20. "It seems despite your exhaustive defensive strategies, you still have a bit of a security problem, Headmaster. And I'm afraid it's quite extensive. How dare you stand where he stood. Tell them how it happened that night! How you looked him in the eye, a man who trusted you, and killed him!" — Harry Potter [Harry Potter and the Deathly Hallows: Part 2]