Rest not. Life is sweeping by; go and dare before you die. Something mighty and sublime, leave behind to conquer time.

If you call a thing bad you do little, if you call a thing good you do much

Mystery is truth's dancing partner.

So long as you live and work, you will be misunderstood; to that you must resign yourself once and for all. Be silent!

Men are joined by conviction, sundered by opinion.

But the valid issue is the extent to which man knows how to form and master the material at his command.

How often do I lull my seething blood to rest, for you have never seen anything so unsteady, so uncertain, as this heart.