Leftist ideas are a part of the very atmosphere which American youth breathes

Liberalism can only be defined negatively. It is a mere critique, not a living idea

If pessimism is despair, optimism is cowardice and stupidity. Is there any need to choose between them?

Man as a pure animal does not exist

Every non-political human grouping of whatever kind, legal, social, religious, economic or other becomes at last political if it creates an opposition deep enough to range men against one another as enemies

Every science is a profane restatement of the preceding dogmas of the religious period

The purest expression of the doctrine of Liberalism was probably that of Benjamin Constant