Teachers are more than any other group the guardians of civilization.

I've always thought respectable people scoundrels, and I look anxiously at my face every morning for signs of my becoming a scoundrel.

Broadly speaking, Protestants like to be good and have invented theology in order to keep themselves so, whereas Catholics like to be bad and have invented theology in order to keep their neighbors good. Hence, the social character of Catholicism and the individual character of Protestantism.

If the State does not acquire supremacy over [vast private] enterprises, it becomes their puppet, and they become the real State.

The tragedy of the people of Palestine is that their country was “given” by a foreign power to another people for the creation of a new state. The result was that many hundreds of thousands of innocent people were made permanently homeless. With every new conflict their numbers increased. How much longer is the world willing to endure this spectacle of wanton cruelty?

Mathematics is, I believe, the chief source of the belief in eternal and exact truth, as well as a sensible intelligible world.

If everything must have a cause, then God must have a cause. If there can be anything without a cause, it may just as well be the world as God, so that there cannot be any validity in that argument... The idea that things must have a beginning is really due to the poverty of our imagination.