Few things are impossible to diligence and skill.

Such is the constitution of man that labour may be styled its own reward; nor will any external incitements be requisite, if it be considered how much happiness is gained, and how much misery escaped, by frequent and violent agitation of the body.

A contempt of the monuments and the wisdom of the past, may be justly reckoned one of the reigning follies of these days, to which pride and idleness have equally contributed.

There is no book so poor that it would not be a prodigy if wholly made by a single man.

No man should attempt to teach others what he has never learned himself

It would add much to human happiness, if an art could be taught of forgetting all of which the remembrance is at once useless and afflictive, that the mind might perform its functions without encumbrance, and the past might no longer encroach upon the present.

I inherited a vile melancholy from my father, which has made me mad all my life, at least not sober.