Look closely into his aims, observe the means by which he pursues them, discover what brings him content - and can the man's real worth remain hidden from you?

Study as if you have not reached your goal - hold it as if you were afraid of losing what you have.

Not too isolated, not too many relationships, the middle, that's wisdom.

If I am virtuous and worthy, for whom should I not maintain a proper concern?

The injury of prodigality leads to this, that he who will not economize will have to agonize.

For one word a man is often deemed to be wise, and for one word he is often deemed to be foolish. We should be careful indeed what we say.

All wisdom is rooted in learning to call things by the right name. When things are properly identified, they fall into natural categories and understanding becomes orderly.