Culture in its higher forms is a delicate plant which depends on a complicated set of conditions and is wont to flourish only in a few places at any given time.

About Newton: Nature to him was an open book, whose letters he could read without effort.

Mankind must give up war in the Atomic Era. What is at stake is the life or death of humanity.

I do know that kind fate allowed me to find a couple of nice ideas after many years of feverish labor.

I am also convinced that one gains the purest joy from spirited things only when they are not tied in with earning one's livelihood.

A scientist is a mimosa when he himself has made a mistake, and a roaring lion when he discovers a mistake of others.

Just because you believe in something does not mean that it is true.