A young man before he leaves the shelter of his father's house, and the guard of a tutor, should be fortify'd with resolution, and made acquainted with men, to secure his virtues, lest he should be led into some ruinous course, or fatal precipice, before he is sufficiently acquainted with the dangers of conversation, and his steadiness enough not to yield to every temptation.

Don't let the things you don't have prevent you from using what you do have.

He that judges without informing himself to the utmost that he is capable, cannot acquit himself of judging amiss

If to break loose from the bounds of reason, and to want that restraint of examination and judgment which keeps us from choosing or doing the worst, be liberty, true liberty, madmen and fools are the only freemen: but yet, I think, nobody would choose to be mad for the sake of such liberty, but he that is mad already.

The business of education is not to make the young perfect in any one of the sciences, but so to open and dispose their minds as may best make them - capable of any, when they shall apply themselves to it.

Man is not permitted without censure to follow his own thoughts in the search of truth, when they lead him ever so little out of the common road.

A sound mind in a sound body is a short but full description of a happy state in this world.