The best causes tend to attract to their support the worst arguments, which seems to be equally true in the intellectual and in the moral sense.

Inductive inference is the only process known to us by which essentially new knowledge comes into the world.

Natural selection is not evolution.

I believe sanity and realism can be restored to the teaching of Mathematical Statistics most easily and directly by entrusting such teaching largely to men and women who have had personal experience of research in the Natural Sciences.

No isolated experiment, however significant in itself, can suffice for the experimental demonstration of any natural phenomenon; for the "one chance in a million" will undoubtedly occur, with no less and no more than its appropriate frequency, however surprised we may be that it should occur to us.

We have usually no knowledge that any one factor will exert its effects independently of all others that can be varied, or that its effects are particularly simply related to variations in these other factors.

The best causes tend to attract to their support the worst arguments, which seems to be equally true in the intellectual and in the moral sense.