Where there is no property there is no injustice.

If by gaining knowledge we destroy our health, we labour for a thing that will be useless in our hands.

Certain subjects yield a general power that may be applied in any direction and should be studied by all.

Consciousness is the perception of what passes in man's own mind.

To prejudge other men's notions before we have looked into them is not to show their darkness but to put out our own eyes.

How long have you been holding those words in your head, hoping to use them?

Children (nay, and men too) do most by example.