I am always with myself, and it is I who am my tormentor.

The most important of all sciences man can and must learn is the science of living so as to do the least evil and the greatest possible good.

Upon meeting, you're judged by your clothes, upon parting you're judged by your wits.

I am obliged to renounce violence, and abstain from it altogether.

When you love someone, you love the person as they are, and not as you'd like them to be.

Life consists in penetrating the unknown, and fashioning our actions in accord with the new knowledge thus acquired.

Religion reveals the meaning of life, and science only applies this meaning to the course of circumstances.