You have to know how to accept rejection and reject acceptance.
We are an impossibility in an impossible universe.
Dreams that do come true can be as unsettling as those that don't.
It is the duty of every citizen according to his best capacities to give validity to his convictions in political affairs.
Everything that is really great and inspiring is created by the individual who can labor in freedom.
You cannot simultaneously prevent and prepare for war.
We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality.
Try not to become a man of success but rather to become a man of value.
The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.
The most incomprehensible thing about the world is that it is at all comprehensible.