There is nothing so disobedient as an undisciplined mind, and there is nothing so obedient as a disciplined mind.

Buddha

You can be ten times what you are today at anything. And the only thing that holds you back is disciplined effort and a refusal to quit.

Tom Bilyeu

Self-discipline is the smartest, simplest and fastest way to make your goals a reality.

Gary Ryan Blair

Discipline is simply the art of making the soldiers fear their officers more than the enemy.

Claude Adrien Helvetius

Self-discipline is when your conscience tells you to do something and you don't talk back.

W. K. Hope

We should set our goals; then learn to control our appetites. Otherwise, we will lose ourselves in the confusion of the world.

Hark Herald Sarmiento