A man's true greatness lies in the consciousness of an honest purpose in life, founded on a just estimate of himself and everything else, on frequent self-examinations, and a steady obedience to the rule which he knows to be right, without troubling himself about what others may think or say, or whether they do or do not that which he thinks and says and does.

A lucky chance is constant in nothing but inconstancy.

Can we wonder that men perish and are forgotten, when their noblest and most enduring works decay? Death comes even to monumental structures, and oblivion rests on the most illustrious names.

Stop whatever you're doing for a moment and ask yourself: Am I afraid of death because I won't be able to do this anymore?

To understand the true quality of people, you must look into their minds, and examine their pursuits and aversions.

Infinity is a fathomless gulf, into which all things vanish.

Think of the universal substance, of which thou has a very small portion; and of universal time, of which a short and indivisible interval has been assigned to thee; and of that which is fixed by destiny, and how small a part of it thou art