Nature conceals her secrets because she is sublime, not because she is a trickster.

The man with the greatest soul will always face the greatest war with the low minded person.

A man's value to the community primarily depends on how far his feelings, thoughts, and actions are directed towards promoting the good of his fellows.

One should respect an honest person even if he expresses opinions differing from one's own.

The most important thing is to not stop questioning.

You never fail until you stop trying.

We scientists, whose tragic destination has been to help in making the methods of annihilation more gruesome and more effective, must consider it our solemn and transcendent duty to do all in our power in preventing these weapons from being used for the brutal purpose for which they were invented.