People are zealous for a cause when they are not quite positive that it is true.

Animal rights, taken to their logical conclusion, mean votes for oysters.

Herd pressure is to be judged by two things: first, its intensity, and second, its direction.

It seems to be the fate of idealists to obtain what they have struggled for in a form which destroys their ideals.

Affection cannot be created; it can only be liberated.

One of the most painful circumstances of recent advances in science is that each one makes us know less than we thought we did

My own belief is that in most ages and in most places obscure psychological forces led men to adopt systems involving quite unnecessary cruelty, and that this is still the case among the most civilized races at the present day.