For those who either perceive but dully, or retain the ideas that come into their minds but ill, who cannot readily excite or compound them, will have little matter to think on.

Memory is the power to revive again in our minds those ideas which after imprinting have disappeared, or have been laid aside out of sight.

This is to think, that men are so foolish, that they take care to avoid what mischiefs may be done them by pole-cats, or foxes; but are content, nay, think it safety, to be devoured by lions.

It is practice alone that brings the powers of the mind, as well as those of the body, to their perfection.

Revelation in matters where reason cannot judge, or but probably, ought to be hearkened to. First, Whatever proposition is revealed, of whose truth our mind, by its natural faculties and notions, cannot judge, that is purely matter of faith, and above reason.

I am sure, zeal or love for truth can never permit falsehood to be used in the defense of it.

Slavery is so vile and miserable an Estate of Man, and so directly opposite to the generous Temper and Courage of our Nation; that 'tis hardly to be conceived, that an Englishman, much less a Gentleman, should plead for't.