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

Never interrupt your enemy when he is making a mistake. (Napoleon Bonaparte)

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

Against stupidity, the gods themselves contend in vain. (Friedrich von Schiller)

Dancing is silent poetry. (Simonides)

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)

It is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. (Carl Sagan)

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)

If a man does his best, what else is there? (General George S. Patton)

If you are going through hell, keep going. (Sir Winston Churchill)

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)