The road to hell is paved with good intentions.

It may be no less dangerous to claim, on certain occasions, too little than too much. There is something captivating in spirit and intrepidity, to which we often yield as to a resistless power; nor can we often yield as to a resistless power; nor can he reasonably expect the confidence of others who too apparently distrusts himself.

Human experience, which is constantly contradicting theory, is the great test of truth. A system, built upon the discoveries of a great many minds, is always of more strength, than what is produced by the mere workings of any one mind, which, of itself, can do very little. There is not so poor a book in the world that would not be a prodigious effort were it wrought out entirely by a single mind, without the aid of prior investigators.

To dread no eye and to suspect no tongue is the great prerogative of innocence--an exemption granted only to invariable virtue.

Too much vigor in the beginning of an undertaking often intercepts and prevents the steadiness and perseverance always necessary in the conduct of a complicated scheme.

Promise, large promise, is the soul of an advertisement.

A man finds in the productions of nature an inexhaustible stock of material on which he can employ himself, without any temptations to envy or malevolence, and has always a certain prospect of discovering new reasons for adoring the sovereign author of the universe.