He who has never been deceived by a lie does not know the meaning of bliss.

From the standpoint of daily life, however, there is one thing we do know: that we are here for the sake of each other - above all for those upon whose smile and well-being our own happiness depends, and also for the countless unknown souls with whose fate we are connected by a bond of sympathy. Many times a day I realize how much my own outer and inner life is built upon the labors of my fellow men, both living and dead, and how earnestly I must exert myself in order to give in return as much as I have received.

Communities tend to be guided less than individuals by conscience and a sense of responsibility. How much misery does this fact cause mankind! It is the source of wars and every kind of oppression, which fill the earth with pain, sighs and bitterness.

Imagination is the most powerful force in the universe.

The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.

How vile and despicable war seems to me! I would rather be hacked to pieces than take part in such an abominable business.

If at first the idea is not absurd, then there is no hope for it.