It's coexistence or no existence.

Men are born ignorant, not stupid. They are made stupid by education.

Reason may be a small force, but it is constant, and works always in one direction, while the forces of unreason destroy one another in futile strife.

It is not my prayer and humility that you cause things to go as you wish, but by acquiring a knowledge of natural laws.

In his youth, Wordsworth sympathized with the French Revolution, went to France, wrote good poetry and had a natural daughter. At this period, he was a bad man. Then he became good, abandoned his daughter, adopted correct principles and wrote bad poetry.

Abstract work, if one wishes to do it well, must be allowed to destroy one's humanity; one raises a monument which is at the same time a tomb, in which, voluntarily, one slowly inters oneself.

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.