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

The road to perdition has ever been accompanied by lip service to an ideal.

The most important tool of the theoretical physicist is his wastebasket.

[When asked "Dr. Einstein, why is it that when the mind of man has stretched so far as to discover the structure of the atom we have been unable to devise the political means to keep the atom from destroying us?"] That is simple, my friend. It is because politics is more difficult than physics.

Blind belief in authority is the greatest enemy of truth.

It is a miracle that curiosity survives formal education.

The sceptic will say, 'It may well be true that this system of equations is reasonable from a logical standpoint, but this does not prove that it corresponds to nature.' You are right, dear sceptic. Experience alone can decide on truth.