Do what you will. Even if you tear yourself apart, most people will continue doing the same things.

I, who have never willfully pained another, have no business to pain myself.

As for literature, thefts cannot harm it, while the lapse of ages augments its value

Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under thy observation in life.

Time is like a river made up of the events which happen, and a violent stream; for as soon as a thing has been seen, it is carried away, and another comes in its place, and this will be carried away too.

Nothing that goes on in anyone else's mind can harm you.

Live not one's life as though one had a thousand years, but live each day as the last.