The more we realize our minuteness and our impotence in the face of cosmic forces, the more amazing becomes what human beings have achieved.

Reason is a harmonising, controlling force rather than a creative one.

The moral thing I should wish to say to them is very simple; I should say: "Love is wise - Hatred is foolish." In this world, which is getting more and more closely interconnected, we have to learn to tolerate each other.

It's coexistence or no existence.

There are two motives for reading a book; one, that you enjoy it; the other, that you can boast about it.

The evolution of our spirit is blazed on the dark background of eternity by our individual wakes. Every person can, if he/she wishes, leave a more or less brilliant wake behind them.

Aristotle could have avoided the mistake of thinking that women have fewer teeth than men, by the simple device of asking Mrs. Aristotle to keep her mouth open while he counted.