If Jack's in love, he's no judge of Jill's beauty.
Let thy discontents be thy secrets; if the world knows them 'twill despise thee and increase them.
There are three things extremely hard: steel, a diamond, and to know one's self.
A lie stands on one leg, truth on two.
A perfect character might be attended with the inconvenience of being envied and hated; and that a benevolent man should allow a few faults in himself, to keep his friends in countenance.
If anyone should doubt whether the electrical matter passes through the substance of bodies, or only over along their surfaces, a shock from an electrified large glass jar, taken through his own body, will probably convince him.