Who is only good that others may know it, and that he may be the better esteemed when 'tis known, who will do well but upon condition that his virtue may be known to men, is one from whom much service is not to be expected.

It is easier to write an indifferent poem than to understand a good one.

The profit we possess after study is to have become better and wiser.

Seeing that the Senses cannot decide our dispute, being themselves full of uncertainty, we must have recourse to Reason; there is no reason but must be built upon another reason: so here we are retreating backwards to infinity.

When I quote others I do so in order to express my own ideas more clearly.

There is a certain consideration, and a general duty of humanity, that binds us not only to the animals, which have life and feeling, but even to the trees and plants. We owe justice to people, and kindness and benevolence to all other creatures who may be susceptible of it. There is some intercourse between them and us, and some mutual obligation.

Those who have compared our life to a dream were right... we were sleeping wake, and waking sleep.