Do you suppose that I should have lived as long as I have if I had moved in the sphere of public life, and conducting myself in that sphere like an honorable man, had always upheld the cause of right, and conscientiously set this end above all other things? Not by a very long way, gentlemen; neither would any other man.

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

Improve yourself by other men's writings thus attaining effortlessly what they acquired through great difficulty.

Aren't you ashamed to be concerned so much about making all the money you can and advancing your reputation and prestige, while for truth and wisdom and the improvement of your souls you have no thought or car?

I only know that I know nothing

You never know a line is crooked unless you have a straight one to put next to it.

When the debate is lost, slander becomes the tool of the loser.