An attitude of obedience, when it is exacted from subordinates, is inimical to intelligence. In a community in which men have to accept, at least outwardly, some obviously absurd doctrine, the best men must become either stupid or disaffected. There will be, in consequence, a lowering of the intellectual level, which must, before long, interfere with technical progress.
Source: Power, a new social analysis, 1938, by Bertrand Russell
More info.:
https://russell-j.com/beginner/POWER10_100.HTM