Excellence is an art won by training and habituation.

Aristotle

Discipline equals freedom.

Jocko Willink

The torment of human frustration, whatever its immediate cause, is the knowledge that the self is in prison, its vital force and ''mangled mind'' leaking away in lonely, wasteful self-conflict.

Elizabeth Drew

You're gonna catch a cold from the ice inside your soul.

Christina Perri

Do one thing at a time, and while doing it put your whole soul into it to the exclusion of all else.

Swami Vivekananda

Start with the end in mind.

Stephen Covey