The quiet conscience is the invention of the devil. No one of us may permit any preventable pain to be inflicted even though the responsibility for that pain is not ours. No one may shut his eyes and think that the pain which is therefore not visible, is non-existent.

The fundamental rights of [humanity] are, first: the right of habitation; second, the right to move freely; third, the right to the soil and subsoil, and to the use of it; fourth, the right of freedom of labor and of exchange; fifth, the right to justice; sixth, the right to live within a natural national organization; and seventh, the right to education.

Happiness is nothing more than good health and a bad memory.

Even if it is a little thing, do something for those who have need of help.

Our degeneration, when it is traced back to its origin in our view of the world really consists in the fact that true optimism has vanished unperceived from our midst.

A man is truly ethical only when he obeys the compulsion to help all life which he is able to assist, and shrinks from injuring anything that lives.

A man who possesses a veneration of life will not simply say his prayers. He will throw himself into the battle to preserve life, if for no other reason than that he himself is an extension of life around him.