Life without enquiry is not worth living for a man.

Since I am convinced that I wrong no one, I am not likely to wrong myself.

Flattery is like a painted armor; only for show.

This is...self-knowled ge-for a man to know what he knows, and what he does not know.

Whenever any one informs us that he has found a man who knows all the arts, and all things else that anybody knows, and every single thing with a higher degree of accuracy than any other man - whoever tells us this, I think that we can only imagine him to be a simple creature who is likely to have been deceived by some wizard or actor whom he met, and whom he thought all-knowing, because he himself was unable to analyse the nature of knowledge and ignorance and imitation.

Marry or marry not, in any either case you'll regret it

Musical training is a more potent instrument than any other, because rhythm and harmony find their way into the inward places of the soul, on which they mightily fasten, imparting grace, and making the soul of him who is rightly educated graceful, or of him who is ill-educated ungraceful.