An open mind leaves a chance for someone to drop a worthwhile thought in it.

A lot of people have pretty little heads, but it's difficult to find a pretty little mind.

An obsession is where something will not leave your mind.

But we must not stop with the cultivation of a tough mind. The gospel also demands a tender heart. ... What is more tragic than to see a person who has risen to the disciplined heights of toughmindedness but has at the same time sunk to the passionless depths of hardheartedness?

Mind precedes all mental states. Mind is their chief; they are all mind-wrought. If with a pure mind a person speaks or acts happiness follows him like his never-departing shadow.

The best cure for the body is a quiet mind.