What it lies in our power to do, it lies in our power not to do.

If you will discipline yourself to make your mind self-sufficient you will thereby be least vulnerable to injury from the outside.

No man or woman has achieved an effective personality who is not self-disciplined. Such discipline must not be an end in itself, but must be directed to the development of resolute Christian character.

Temperance is a bridle of gold.

No padlocks, bolts, or bars can secure a maiden better than her own reserve.

Lack of discipline leads to frustration and self-loathing.

No one is free who does not lord over himself.

Self-command is the main discipline.

Brave is the lion tamer, brave is the world subduer, but braver is the one who has subdued himself.

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

He conquers twice who conquers himself in victory.

What we do upon some great occasion will probably depend on what we already are. What we are will be the result of previous years of self-discipline.

Make your educational laws strict and your criminal ones can be gentle; but if you leave youth its liberty you will have to dig dungeons for ages.

There is a certain combination of anarchy and discipline in the way I work.

The only discipline that last is self discipline.

A colt is worth little if it does not break its halter.

He who lives without discipline dies without honor.

Anybody who gets away with something will come back to get away with a little bit more.

Better to be pruned to grow than cut up to burn.

Discipline is the soul of an army. It makes small numbers formidable; procures success to the weak, and esteem to all.