Utopias have their value -- nothing so wonderfully expands the imaginative horizons of human potentialities -- but as guides to conduct they can prove literally fatal.

One belief, more than any other, is responsible for the slaughter of individuals on the alter of the great historical ideas - justice or progress or happiness of future generations... or emancipation of a nation or race or class... this is the belief that somewhere... there is a final solution.

Only barbarians are not curious about where they come from, how they came to be where they are, where they appear to be going, whether they wish to go there, and if so, why, and if not, why not.

The intellectual power, honesty, lucidity, courage, and disinterested love of the truth of the most gifted thinkers of the eighteenth century remain to this day without parallel. Their age is one of the best and most hopeful episodes in the life of mankind.

Few new truths have ever won their way against the resistance of established ideas save by being overstated.

I wish my life and decisions to depend upon myself, not on external forces of whatever kind. I wish to be the instrument of my own, not other men's, acts of will. I wish to be the subject, not an object...I wish to be somebody, not nobody; a doer - deciding, not being decided for, slef-directed and not acted upon by external nature or by other men as if I were a thing, or an animal, or a slave incapable of playing a human role, that is, of conceiving goals and policies of my own and realizing them.

All central beliefs on human matters spring from a personal predicament.