Evolution ... is really two theories, the vague theory and the precise theory. The vague theory has been abundantly proved.... The precise theory has never been proved at all. However, like relativity, it is accepted on faith.... On getting down to actual details, difficulties begin.

Psychologists, like other scientists, pride themselves on being extremely modern, and therefore much better than any group of people that ever were before.

Physicists, being in no way different from the rest of the population, have short memories for what is inconvenient.

Education, like everything else, goes in fads, and has the normal human tendency to put up with something bad for just so long, and then rush to the other extreme.

A biologist, if he wishes to know how many toes a cat has, does not "frame the hypothesis that the number of feline digital extremities is 4, or 5, or 6," he simply looks at a cat and counts. A social scientist prefers the more long-winded expression every time, because it gives an entirely spurious impression of scientificness to what he is doing.

Insight is not the same as scientific deduction, but even at that it may be more reliable than statistics.

There's many a true word spoken in jest; scientists are abominably solemn; therefore scientists miss many a true word.