No folly is more costly than the folly of intolerant idealism

Nothing is more costly, nothing is more sterile, than vengeance

Socialists think profits are a vice; I consider losses the real vice.

No folly is more costly than the folly of intolerant idealism.

It is not alone that property, in all its forms, is struck at, but that liberty, in all its forms, is challenged by the fundamental conceptions of Socialism

Fool beckons fool, and dunce awakens dunce.