Your nervous system can't tell real failure from imagined failure.

One's capacity for friendship, which can be developed, is basic to one's capacity for happiness.

Your automatic guidance system cannot guide you when you're stalled, “standing still”.

Study the situation thoroughly, go over in your imagination the various courses of action possible to you and the consequences which can and may follow from each course. Pick out the course which gives the most promise and go ahead.

Self-discipline is the golden key; without it, you cannot be happy.

Self-esteem is as necessary to the spirit as food is to the body.

It is the job of conscious rational thought to decide what you want, select the goals you wish to achieve-and concentrate upon these rather than upon what you do not want. To spend time and effort concentrating upon what you do not want is not rational.