The mind is furnished with ideas by experience alone
The only fence against the world is a thorough knowledge of it.
Children (nay, and men too) do most by example.
Knowledge is grateful to the understanding, as light to the eyes.
To love truth for truth's sake is the principal part of human perfection in this world, and the seed-plot of all other virtues.
The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it.