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)

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

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’m living so far beyond my income that we may almost be said to be living apart. (E. E. Cummings)

Dancing is silent poetry. (Simonides)

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

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

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)