A proud man is satisfied with his own good opinion, and does not seek to make converts to it.

There is no flattery so adroit or effectual as that of implicit assent.

Whatever interests is interesting.

Languages happily restrict the mind to what is of its own native growth and fitted for it, as rivers and mountains bond countries; or the empire of learning, as well as states, would become unwieldy and overgrown.

[Science is] the desire to know causes.

Love turns, with a little indulgence, to indifference or disgust; hatred alone is immortal.

Honesty is one part of eloquence. We persuade others by being in earnest ourselves.