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.

The Proper Study Of Mankind: An Anthology of Essays (ed. Random House, 2012) - ISBN: 9781446496954