Eloquence, when in its highest pitch, leaves little room for reason or reflection.

The rules of morality are not the conclusion of our reason.

The greatest crimes have been found, in many instances, to be compatible with a superstitious piety and devotion; hence it is justly regarded as unsafe to draw any inference in favor of a man's morals, from the fervor or strictness of his religious exercises, even though he himself believe them sincere.

The great subverter of Pyrrhonism or the excessive principles of scepticism is action, and employment, and the occupations of common life.

I do not think a philosopher who would apply himself so earnestly to the explaining the ultimate principles of the soul, would show himself a great master in the very science of human nature, which he pretends to explain, or very knowing in what is naturally satisfactory to the mind of man.

..when, in my philosophical disquisitions, I deny a providence and a future state, I undermine not the foundations of society, but advance principles, which they themselves, upon their own topics, if they argue consistently, must allow to be solid and satisfactory.

Nothing more powerfully excites any affection than to conceal some part of its object, by throwing it into a kind of shade, whichat the same time that it shows enough to prepossess us in favour of the object, leaves still some work for the imagination.