Even in such a time of madness as the late twenties, a great many man in Wall Street remained quite sane. But they also remained very quiet. The sense of responsibility in the financial community for the community as a whole is not small. It is nearly nil. Perhaps this is inherent. In a community where the primary concern is making money, one of the necessary rules is to live and let live. To speak out against madness may be to ruin those who have succumbed to it. So the wise in Wall Street are nearly always silent. The foolish thus have the field to themselves. None rebukes them.
John Kenneth GalbraithThere can be no question, however, that prolonged commitment to mathematical exercises in economics can be damaging. It leads to the atrophy of judgement and intuition. . .
John Kenneth GalbraithThe drive toward complex technical achievement offers a clue to why the U.S. is good at space gadgetry and bad at slum problems.
John Kenneth Galbraith