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Knute Rockne: A successful coach must have personality, enthusiasm, technical knowledge…

A successful coach must have personality, enthusiasm, technical knowledge, sense of fair play, sympathy for the players, and yet he must be a strict disciplinarian.
Knute RockneSourced
Source
From the book Coaching: The Way of the Winner, Introduction; revised edition 1929 (first published 1925)

Every quote on Discipline