✓ Sourced A culture of discipline is not a principle of business, it is a principle of greatness.Good to Great and the Social Sectors (2005) Open
✓ Sourced There are no shortcuts. There are no magic potions. There are no work-arounds.Built to Last, with Jerry Porras (1994) Open
✓ Sourced Greatness is not a function of circumstance. Greatness, it turns out, is largely a matter of conscious choice.Good to Great (2001) Open