To have security against atomic bombs and against the other biological weapons, we have to prevent war, for if we cannot prevent war every nation will use every means that is at their disposal; and in spite of all promises they make, they will do it. At the same time, so long as war is not prevented, all the governments of the nations have to prepare for war, and if you have to prepare for war, then you are in a state where you cannot abolish war.

Education is only a ladder to gather fruit from the tree of knowledge, not the fruit itself

I like the Swiss because by and large they are more humane than the other people aming whom I have lived.

The longing to behold this pre-established harmony [of phenomena and theoretical principles] is the source of the inexhaustible patience and perseverance with which Planck has devoted himself ... The state of mind which enables a man to do work of this kind is akin to that of the religious worshiper or the lover; the daily effort comes from no deliberate intention or program, but straight from the heart.

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

Einstein was attending a music salon in Germany before the second world war, with the violinist S. Suzuki. Two Japanese women played a German piece of music and a woman in the audience exclaimed: "How wonderful! It sounds so German!" Einstein responded: "Madam, people are all the same."

The greatest activity of which man is capable: Opening up yet another fragment of the frontier of beauty.