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A mind which really lays hold of a subject is not easily detached from it.

It is not enough to have a good mind; the main thing is to use it well.

No mind is thoroughly well organized that is deficient in a sense of humor.

I cannot escape the objection that there is no state of mind, however simple, that does not change every moment.

Mind moves matter.

A closed mind is a dying mind.

There is nothing wrong with my mind.

The resolved mind hath no cares.

I've never tried to define my states of mind when I write.

The mind is just another muscle.