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

I have spent more than half a lifetime trying to express the tragic moment.

How then shall they have the play-games you allow them, if none must be bought for them?" I answer, they should make them themselves, or at least endeavour it, and set themselves about it. ...And if you help them where they are at a stand, it will more endear you to them than any chargeable toys that you shall buy for them.

As it is in the body, so it is in the mind; practice makes it what it is, and most even of those excellencies, what are looked on as natural endowments, will be found, when examined into more narrowly, to be the product of exercise, and to be raised to that pitch, only by repeated actions.

Every man must some time or other be trusted to himself.

The native and untaught suggestions of inquisitive children do often offer things, that may set a considering man's thoughts on work. And I think there is frequently more to be learn'd from the unexpected questions of a child than the discourses of men, who talk in a road, according to the notions they have borrowed, and the prejudices of their education.

The picture of a shadow is a positive thing.