If useless thoughts could be expelled from the mind, all the valuable parts of our knowledge would more frequently recur.

He that voluntarily continues in ignorance, is guilty of all the crimes which ignorance produces.

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.

When making your choice in life, do not neglect to live.

What is easy is seldom excellent.

I will venture to say there is more learning and science within the circumference of ten miles from where we now sit [in London], than in all the rest of the kingdom.

Reproof should not exhaust its power upon petty failings.