All work that is worth anything is done in faith.
Man can hardly even recognize the devils of his own creation.
Soldiers' graves are the greatest preachers of peace.
We must all die. But that I can save him from days of torture, that is what I feel as my great and ever new privilege. Pain is a more terrible lord of mankind than even death itself.
You don't live in a world all alone. Your brothers are here too.
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.