We do not admire, we hardly excuse, the fanatic who wrecks this world for love of the other. But what are we to say of the fanatic who wrecks this world out of hatred of the other? He sacrifices the very existence of humanity to the non-existence of God. He offers his victims not to the altar, but merely to assert the idleness of the altar and the emptiness of the throne. He is ready to ruin even that primary ethic by which all things live, for his strange and eternal vengeance upon some one who never lived at all.

Dogma is actually the only thing that cannot be separated from education. It IS education. A teacher who is not dogmatic is simply a teacher who is not teaching. There are no uneducated people; only most people are educated wrong. The true task of culture today is not a task of expansion, but of selection-and-rejection. The educationist must find a creed and teach it.

When people begin to ignore human dignity, it will not be long before they begin to ignore human rights.

A small artist is content with art; a great artist is content with nothing except everything.

Modern science is necessarily a double-edged tool, a tool that cuts both ways. ... There is no doubt that a Zeppelin is a wonderful thing; but that did not prevent it from becoming a horrible thing.

We talk of wild animals, but the wildest animal is man.

Pessimism is not in being tired of evil but in being tired of good. Despair does not lie in being weary of suffering, but in being weary of joy. It is when for some reason or other good things in a society no longer work that the society begins to decline; when its food does not feed, when its cures do not cure, when its blessings refuse to bless.