The true measure of a man is how he treats someone who can do him absolutely no good. (Samuel Johnson)

The power of accurate observation is frequently called cynicism by those who don’t have it. (George Bernard Shaw)

Give me chastity and continence, but not yet. (Saint Augustine)

It’s kind of fun to do the impossible. (Walt Disney)

Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)

Try to learn something about everything and everything about something. (Thomas Henry Huxley)

The difference between ‘involvement’ and ‘commitment’ is like an eggs-and-ham breakfast: the chicken was ‘involved’ – the pig was ‘committed’. (unknown)

When one person suffers from a delusion it is called insanity; when many people suffer from a delusion it is called religion. (Robert Pirsig)

I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use. (Galileo Galilei)

I’ve had a wonderful time, but this wasn’t it. (Groucho Marx)

A mathematician is a device for turning coffee into theorems. (Paul Erdos)