The time is at hand when you will have forgotten everything; and the time is at hand when all will have forgotten you. Always reflect that soon you will be no one, and nowhere.

A good man does not spy around for the black spots in others, but presses unswervingly on towards his mark.

Tomorrow is nothing, today is too late; the good lived yesterday.

Confine yourself to the present.

We must press on then, in haste; not simply because every hour brings us nearer to death, but because even before then our powers of perception and comprehension begin to deteriorate.

Whenever you are about to find fault with someone, ask yourself the following question: What fault of mine most nearly resembles the one I am about to criticize?

For any particular thing, ask: What is it in itself? What is its nature?