The only real security for social well-being is the free exercise of men's minds.

The number of substitutes for fine and clean thinking the world provides positively gnaws at one's vitals.

No citizen enjoys genuine freedom of religious conviction until the state is indifferent to every form of religious outlook from Atheism to Zoroastrianism.

It would be madness to let the purposes or the methods of private enterprise set the habits of the age of atomic energy.

Aside from theology and sex there is really nothing to talk about.

Civilization means, above all, an unwillingness to inflict unnecessary pain ... those of us who heedlessly accept the commands of authority cannot yet claim to be civilized men.

A healthy loyalty is not passive and complacent, but active and critical.