So act that your principle of action might safely be made a law for the whole world.
Never eat more than you can lift.
Bacchus hath drowned more men than Neptune.
The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it.
You can't just ask customers what they want and then try to give that to them. By the time you get it built, they'll want something new.
Men are equal; it is not birth but virtue that makes the difference.
You cannot make a man by standing a sheep on its hind legs. But by standing a flock of sheep in that position you can make a crowd of men.