It is the things for which there is no evidence that are believed with passion.

Scientific method, although in its more refined forms it may seem complicated, is in essence remarkably simply. It consists in observing such facts as will enable the observer to discover general laws governing facts of the kind in question. The two stages, first of observation, and second of inference to a law, are both essential, and each is susceptible of almost indefinite refinement. (1931)

Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by examining his wives' mouths.

What was exciting in the Victorian Age, would leave a man of franker epoch quite unmoved. The more prudes restrict the permissible degree of sexual appeal, the less is required to make such an appeal effective.

If one lived for ever the joys of life would inevitably in the end lose their savour. As it is, they remain perennially fresh.

It was the duty of wives to submit to husbands, not of husbands to submit to wives. . . men have stronger muscles than women.

Of course not. After all, I may be wrong.