As long as there are slaughterhouses there will be battlefields. A vegetarian diet is the acid test of humanitarianism.

The bite of conscience, like the bite of a dog into a stone, is a stupidity.

In politics, stupidity is not a handicap.

To forget one's purpose is the commonest form of stupidity.

Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.

Every virtue inclines to stupidity, every stupidity to virtue; "stupid to the point of sanctity," they say in Russia.