Thus the practical experts who employ scientific technique, and still more the governments and large firms which employ the practical experts, acquire a quite different temper from that of the men of science : a temper full of a sense of limitless power, of arrogant certainty, and of pleasure in manipulation even of human material. This is the very reverse of the scientific temper, but it cannot be denied that science has helped to promote it.
Source: Religion and Science, 1935, by Bertrand Russell
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