There are infinite worlds both like and unlike this world of ours. For the atoms being infinite in number... are borne on far out into space.

There is no such thing as justice in the abstract; it is merely a compact between men in their various relations with each other, in whatever circumstances they may be, that they will neither injure nor be injured.

You don't develop courage by being happy in your relationships everyday. You develop it by surviving difficult times and challenging adversity.

Nothing is sufficient for the person who finds sufficiency too little

Men, believing in myths, will always fear something terrible, everlasting punishment as certain or probable . . . Men base all these fears not on mature opinions, but on irrational fancies, that they are more disturbed by fear of the unknown than by facing facts. Peace of mind lies in being delivered from all these fears.

Why should I fear death? If I am, death is not. If death is, I am not. Why should I fear that which can only exist when I do not?

He who understands the limits of life knows that it is easy to obtain that which removes the pain of want and makes the whole of life complete and perfect. Thus he has no longer any need of things which involve struggle.