We should pledge ourselves to the proposition that the irresponsible life is not worth living.
The depressed man lives in a depressed world.
Necessity is not an established fact, but an interpretation.
Don't ask why the patient is the way he is, ask for what he would change.
The relish of good and evil depends in a great measure upon the opinion we have of them.
Things may happen around you, and things may happen to you, but the only things that matter are the things that happen in you.
Whatever a person frequently thinks and reflects on, that will become the inclination of their mind.