Success = 1 part work + 1 part play + 1 part keep your mouth shut

Live your life... as though everything is a miracle.

I never teach my pupils, I only attempt to provide the conditions in which they can learn.

I know that the most joy in my life has come to me from my violin.

A tyranny based on ... deception and maintained by terror must inevitably perish from the poison it generates within itself.

Man's will, sustained by an indominable conviction, is much more powerful than material forces that seem insurmountable.

Non-cooperation in military matters should be an essential moral principle for all true scientists.