Passion costs me too much to bestow it on every trifle. (1640).

Learning is not attained by chance, it must be sought for with ardor and attended to with diligence.

There is so much good in the worst of us, and so much bad in the best of us, that it ill behooves any of us to find fault with the rest of us.

There are obviously two educations. One should teach us how to make a living. The other should teach us how to live.

A genius is one who can do anything except make a living.

Try and fail,but don't fail to try.