Injustice, poverty, slavery, ignorance - these may be cured by reform or revolution. But men do not live only by fighting evils. They live by positive goals, individual and collective, a vast variety of them, seldom predictable, at times incompatible.

The notion of the perfect whole, the ultimate solution in which all good things coexist, seems to me not merely unobtainable--that is a truism--but conceptually incoherent. ......Some among the great goods cannot live together. That is a conceptual truth. We are doomed to choose, and every choice may entail an irreparable loss.

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

Out of the crooked timber of humanity, nothing completely straight was ever made

There is no a prior reason for supposing that the truth, when it is discovered, will necessarily prove interesting.

Both liberty and equality are among the primary goals pursued by human beings throughout many centuries; but total liberty for wolves is death to the lambs, total liberty of the powerful, the gifted, is not compatible with the rights to a decent existence of the weak and the less gifted.

Liberty for wolves is death to the lambs.