We have almost succeeded in leveling all human activities to the common denominator of securing the necessities of life and providing for their abundance.

The conviction that everything that happens on earth must be comprehensible to man can lead to interpreting history by commonplaces.

Revolutionaries do not make revolutions. The revolutionaries are those who know when power is lying in the street and then they can pick it up.

Slavery's crime against humanity did not begin when one people defeated and enslaved its enemies (though of course this was bad enough), but when slavery became an institution in which some men were 'born' free and others slave, when it was forgotten that it was man who had deprived his fellow-men of freedom, and when the sanction for the crime was attributed to nature.

The chief reason warfare is still with us is neither a secret death-wish of the human species, nor an irrepressible instinct of aggression, nor, finally and more plausibly, the serious economic and social dangers inherent in disarmament, but the simple fact that no substitute for this final arbiter in international affairs has yet appeared on the political scene.

Under conditions of terror, most people will comply but some people will not.

Every organization of men, be it social or political, ultimately relies on man's capacity for making promises and keeping them.