Skill to do comes of doing

Knowledge is the only elegance.

A mind might ponder its thought for ages, and not gain so much self-knowledge as the passion of love shall teach it in a day.

Knowledge exists to be imparted

Why covet a knowledge of new facts? Day and night, house and garden, a few books, a few actions, serve us as well as would all trades and all spectacles. We are far from having exhausted the significance of the few symbols we use. We can come to use them yet with a terrible simplicity.

Men who know the same things are not long the best company for each other