Fret not over the irretrievable, but ever act as if thy life were just begun.

He is happy as well as great who needs neither to obey nor to command in order to be something.

The artist may be well advised to keep his work to himself till it is completed, because no one can readily help him or advise him with it... but the scientist is wiser not to withhold a single finding or a single conjecture from publicity.

How happy he who can still hope to lift himself from this sea of error! What we know not, that we are anxious to possess, and cannot use what we know.

Cursed Mammon be, when he with treasures To restless action spurs our fate! Cursed when for soft, indulgent leisures, He lays for us the pillows straight.

A man's manners are a mirror in which he shows his portrait.

Since I have heard often enough that everyone in the end has his own religion, nothing seemed more natural to me than to fashion my own.