"The secret of happiness in not in what one likes to do, but in what one has to do."

"Give to every other human being every right that you claim for yourself."

"Fools admire, but men of sense approve."

"Family isn't about whose blood you have. It's about who you care about."

"I suppose no matter what I'm drawing, there will always be some sort of question in my mind about it. A work of art (even cartoon art)is never really finished; it is abandoned."

"We must never forget that art is not a form of propaganda; it is a form of truth."

"Happiness arises in a state of peace, not of tumult."

"I can’t talk about our love story, so I will talk about math. I am not a mathematician, but I know this: There are infinite numbers between 0 and 1. There’s .1 and .12 and .112 and an infinite collection of others. Of course, there is a bigger infinite set of numbers between 0 and 2, or between 0 and a million. Some infinities are bigger than other infinities. A writer we used to like taught us that. There are days, many of them, when I resent the size of my unbounded set. I want more numbers than I’m likely to get. But, my love, I cannot tell you how thankful I am for our little infinity. I wouldn’t trade it for the world. You gave me a forever within the numbered days, and I’m grateful."

"When I step into this library, I cannot understand why I ever step out of it."

"Never esteem anything as of advantage to you that will make you break your word or lose your self-respect."

"I admit it's tempting to wish for the perfect boss, or the perfect parent, or the perfect outfit, but maybe the best any of us can do is not quit. Play the hand we've been given and accessorize the outfit we've got."

"The price of greatness is responsibility."