Great Spirits Have Always Encountered Violent Opposition

Understanding Of Our Fellow Human Beings...becomes Fruitful Only When It Is Sustained By Sympathetic Feelings In Joy And Sorrow.

The Future Is Not A Gift-it Is An Achievement.

Curiosity Is Its Own Reason.

The Economic Anarchy Of Capitalist Society As It Exists Today Is, In My Opinion, The Real Source Of Evil.

The True Sign Of Intelligence Is Not Knowledge But Imagination.