It is the calm, forgiving, equable, well-balanced mind that does the greatest amount of work.

The infinite library of the Universe is in your mind.

The cheerful mind perseveres and the strong mind hews its way through a thousand difficulties.

Frame your mind to mirth and merriment which bars a thousand harms and lengthens life.

The brain can be developed just the same as the muscles can be developed, if on will only take the pains to trainthe mind to think.

There is nothing so disobedient as an undisciplined mind, and there is nothing so obedient as a disciplined mind.