The greatness of a nation and its moral progress can be judged by the way its animals are treated.

The greatness of a nation and its moral progress can be judged by the way its animals are treated. I hold that the more helpless a creature the more entitled it is to protection by man from the cruelty of humankind.

La vie est un mystère qu'il faut vivre, et non un problème à résoudre.

There would be nothing to frighten you if you refused to be afraid.

My aim is not to be consistent with my previous statements on a given question, but to be consistent with truth as it may present itself to me at a given moment. The result has been that I have grown from truth to truth.

Bądź zmianą, którą prag­niesz uj­rzeć w świecie.