He who only tastes his error will long dwell with it, will take delight in it as in a singular felicity; while he who drains it to the dregs will, if he be not crazy, find it to be what it is.

In all times it is only individuals that have advanced science, not the age.

A man who cannot command himself will always be a slave.

A man does not mind being blamed for his faults, and being punished for them, and he patiently suffers much for them; but he becomes impatient if he is required to give them up.

The deed is everything, the glory is naught.

In all things, to serve from the lowest station upwards is necessary. To restrict yourself to a trade is best. For the narrow mind, whatever he attempts is still a trade; for the higher, an art; and the highest in doing one thing does all, or, to speak less paradoxically, in the one thing which he does rightly he sees the likeness of all that is done rightly.

Nature does not suffer her veil to be taken from her, and what she does not choose to reveal to the spirit, thou wilt not wrest from her by levers and screws.