I have thought about it a great deal, and the more I think, the more certain I am that obedience is the gateway through which knowledge, yes, and love, too, enter the mind of the child.

All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences, a fact which is obvious in that no one's brain rejects it for laymen and people who are utterly illiterate know how to count and reckon.

There are in fact two things, science and opinion the former begets knowledge, the later ignorance.

The apple cannot be stuck back on the Tree of Knowledge once we begin to see, we are doomed and challenged to seek the strength to see more, not less.

The best advice I ever got was that knowledge is power and to keep reading.