Interest is the spur of the people, but glory that of great souls. Invention is the talent of youth, and judgment of age.

When a man is made a spiritual peer he loses his surname; when a temporal, his Christian name.

Blot out, correct, insert, refine, enlarge, diminish, interline. Be mindful, when invention fails. To scratch your head and bite your nails.

It is impossible that anything so natural, so necessary, and so universal as death, should ever have been designed by providence as an evil to mankind.

When dunces are satiric, I take it for a panegyric.

If Heaven had looked upon riches to be a valuable thing, it would not have given them to such a scoundrel.

They have likewise discovered two lesser stars, or satellites, which revolve around Mars, whereof the innermost is distant from the center of the primary exactly three of his diameters, and the outermost five: the former revolves in the space of ten hours, and the latter in twenty-one and a half, so that the squares of their periodical times are very near in the same proportion with the cubes of their distances from the center of Mars; which evidently shows them to be governed by the same Law of Gravitation that influences the other heavenly bodies.