Coincidence is God's way of remaining anonymous.

Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

Nothing will benefit human health and increase chances for survival of life on Earth as much as the evolution to a vegetarian diet.

My political ideal is democracy. Let every man be respected as an individual and no man idolised.

I live in that solitude which is painful in youth, but delicious in the years of maturity.

It is my view that the vegetarian manner of living by its purely physical effect on the human temperament would most beneficially influence the lot of mankind. Letter to Vegetarian Watch-Tower (27 December 1930).

I am satisfied with the mystery of life's eternity and with a knowledge, a sense, of the marvelous structure of existence — as well as the humble attempt to understand even a tiny portion of the Reason that manifests itself in nature.