Oh these mathematicians make me tired! When you ask them to work out a sum they take a piece of paper, cover it with rows of A's, B's, and X's and Y's ... scatter a mess of flyspecks over them, and then give you an answer that's all wrong!

I love great music and art, but I think 'cubist' songs and paintings are hideous.

Be courageous! Have faith! Go forward.

Vision without execution is delusion.

I am afraid of radium and polonium ... I don't want to monkey with them.

Fools call wise men fools. A wise man never calls any man a fool.

The entity that gives life and motion to the human body is finer still and lies infinitely beyond the reach of our finest scientific instruments. When this entity deserts the body, the body is like a ship without a rudder - deserted, motionless, dead.