Discipline is remembering what you want.
David H. Campbell, Jr. (contemp.) American careers expert
(Attributed)
Quotations by:
Campbell, David H.
Be good at something, good enough so that you can take quiet pride in knowing that you are a valuable person, that you can do at least one thing well.
David H. Campbell, Jr. (contemp.) American careers expert
If You Don’t Know Where You’re Going, You’ll Probably End Up Somewhere (1974)