1. "Without the dark, we'd never see the stars." -Twilight
2. "We are all in the gutter, but some of us are looking at the stars." -Oscar Wilde
3. "You must do the thing you think you cannot do." -Eleanor Roosevelt
4. "It is our choices, Harry, that show us who we truly are, far more than our abilities." -HPCOS
5. "It is better to be hated for what you are than loved for what you are not." -Andres Gide
6. "Be who you are and say what you feel, because those who mind don't matter, and those who matter don't mind." -Dr. Seuss
7. "Gravitation cannot be held responsible for people falling in love." -Albert Einstein
8. "If you don't stand for something you will fall for anything." -Malcolm X
9. "Never put off until tomorrow what you can do the day after tomorrow." -Mark Twain
10. "Fairy tales, are more than true. Not because they tell us that dragons exist, but because they tell us that dragons can be defeated." -G.K. Chesterton
11. "Well-behaved women rarely make history." -Laurel Thatcher Ulrich
12. "It does not do to dwell on dreams and forget to live." -HPSS
13. "I am free of all prejudice. I hate everyone equally. " -W.C. Fields
14. "I know God won't give me anything I can't handle. I just wish he didn't trust me so much." -Mother Teresa
15. "If I had a flower for every time I thought of you...I could walk through my garden forever." -Alfred Lord Tennyson
16. "If you can't explain it to a six year old, you don't understand it yourself." -Albert Einstein
17. "A fool believes himself to be wise; a wise man knows himself to be a fool." -Shakespeare
18. "Two roads diverged in a wood, and I— I took the one less traveled by, And that has made all the difference." -Robert Frost
19. "It's the friends you can call up at 4 a.m. that matter." -Marlene Dietrich
20. "Of all the things about me that could frighten you, you worry about my driving?" -Twilight

There'd be more (I was planning on just 10) but you'd get bored. Thanks GoodReads.com (and that lone poster in the Physics classroom- #7)!