Only two things are infinite, the universe and human stupidity, and I’m not sure about the former. (Albert Einstein)

But at my back I always hear Time’s winged chariot hurrying near. (Andrew Marvell)

Human history becomes more and more a race between education and catastrophe. (H. G. Wells)

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

Life is pleasant.Death is peaceful.It’s the transition that’s troublesome. (Isaac Asimov)

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)

Do, or do not.There is no ‘try’. (Yoda)

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)

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