All companies have a culture, some companies have discipline, but few companies have a culture of discipline.
~ Jim Collins, Good to Great

A culture of discipline is not a principle of business, it is a principle of greatness.
~ Jim Collins

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Expending energy trying to motivate people is largely a waste of time.
~ Jim Collins, Good to Great

Level 5 leaders are a study in duality: modest and willful, humble and fearless.
~ Jim Collins, Good to Great