The truly effective managers we've observed are purposeful, trust in their own judgement, and adopt long-term, big-picture views to fulfill personal goals that tally with those of the organization as a whole. They break out of their perceived boxes, take control of their jobs, ...
Sumantra Ghoshal, A Bias for Action: How Effective Managers Harness Their Willpower, Achieve Results, and Stop Wasting Time
hbr, management