For one heat, all know, doth drive out another, One passion doth expel another still.
He is at no end of his actions blestWhose ends will make him greatest, and not best.
Extremes, though contrary, have the like effects. Extreme heat kills, and so extreme cold: extreme love breeds satiety, and so extreme hatred; and too violent rigor tempts chastity, as does too much license.
Pure innovation is more gross than error.
Tis immortality to die aspiring.
Each natural agent works but to this end,- To render that it works on like itself.