No one may shut his eyes to think the pain, which is therefore not visible to him, is non-existent.

Constant Kindness can accomplish much.

The quiet conscience is the invention of the devil. No one of us may permit any preventable pain to be inflicted even though the responsibility for that pain is not ours. No one may shut his eyes and think that the pain which is therefore not visible, is non-existent.

Humanitarianism consists in never sacrificing a human being to a purpose.

The stronger the reverence for natural life, the stronger grows also that for spiritual life.

Don't stop to ask whether the animal or plant you meet deserves your sympathy, or how much it feels, or even whether it can feel at all: respect it and consider all life sacred.

It seemed to me a matter of course that we should all take our share of the burden of pain which lies upon the world.