Just to paint is great fun ... Try it if you have not done so - before you die.

I always like to learn, but I don't always like to be taught.

A small lie needs a bodyguard of bigger lies to protect it.

I now began for the first time to envy those young cubs at the university who had fine scholars to tell them what was what; professors who had devoted their lives to mastering and focusing ideas in every branch of learning; who were eager to distribute the treasures they had gathered before they were overtaken by the night. But now I pity undergraduates, when I see what frivolous lives many of them lead in the midst of precious fleeting opportunity. After all, a man's Life must be nailed to a cross either of Thought or Action. Without work there is no play.

I have had a number of threatening letters each week, some telling me the actual time and method of my death, and I don't like it.

On 17th July there came to us at Potsdam the eagerly-awaited news of the trial of the atomic bomb in the [New] Mexican desert. Success beyond all dreams crowded this sombre, magnificent venture of our American allies. The detailed reports ... could leave no doubt in the minds of the very few who were informed, that we were in the presence of a new factor in human affairs, and possessed of powers which were irresistible.

Never engage in a battle of wits with an unarmed man.