Self-control is the chief element in self-respect, and self-respect is the chief element in courage.

Self discipline is self respect. If you can't respect yourself nobody will do.

Discipline and concentration are a matter of being interested.

Trophies should go to the winners. Self-esteem does not lead to success in life. Self-discipline and self-control do, and sports can help teach those.

Jack Kennedy protected a mature and presidential image – tough, yet not unduly combative.

Self-respect is the root of discipline: The sense of dignity grows
with the ability to say no to oneself.