When the air balloon was first discovered, some one flippantly asked Dr. Franklin what was the use of it. The doctor answered this question by asking another: "What is the use of a new-born infant? It may become a man."

There are three difficulties in authorship;-to write any thing worth the publishing-to find honest men to publish it -and to get sensible men to read it. Literature has now become a game; in which the Booksellers are the Kings; The Critics the Knaves; the Public, the Pack; and the poor Author, the mere table, or the Thing played upon.

Observation made in the cloister or in the desert will generally be as obscure as the one and as barren as the other; but he that would paint with his pencil must study originals, and not be over-fearful of a little dust.

He who knows himself knows others.

The interests of society often render it expedient not to utter the whole truth, the interests of science never: for in this field we have much more to fear from the deficiency of truth than from its abundance.

No propagation or multiplication is more rapid that that of evil, unless it be checked; no growth more certain.

I will not be revenged, and this I owe to my enemy; but I will remember, and this I owe to myself.