I would rather be sick than idle.

Shun no toil to make yourself remarkable by some talent or other; yet do not devote yourself to one branch exclusively. Strive to get clear notions about all. Give up no science entirely; for science is but one.

The Best sign of Wisdom is the consistency between the words and deeds.

You should keep on learning as long as there is something you do not know.

Virtue is that perfect good, which is the complement of a happy life; the only immortal thing that belongs to mortality.

What difference does it make how much there is laid away in a man's safe or in his barns, how many head of stock he grazes or how much capital he puts out at interest, if he is always after what is another's and only counts what he has yet to get, never what he has already. You ask what is the proper limit to a person's wealth? First, having what is essential, and second, having what is enough.

Nothing will ever please me, no matter how excellent or beneficial, if I must retain the knowledge of it to myself. . . . . . No good thing is pleasant to possess, without friends to share it.