Someone, somewhere has a better idea.

Strategy is not a lengthy action plan. It is the evolution of a central idea through continually changing circumstances.

Its a marathon, its not a sprint. Ten years. Fifteen years. You've got to get up everyday, with a new idea, a new spin, and you've got to bring it to work, every day

"Every leader makes mistakes, every leader stumbles and falls. The question with a senior level leader is, does she learn from her mistakes, regroup, and then get going again with renewed speed, conviction and confidence?"

A leader's job is to look into the future and see the organization, not as it is, but as it should be

Hierarchy is an organization with its face toward the CEO and its ass toward the customer.

Keep learning; don't be arrogant by assuming that you know it all, that you have a monopoly on the truth; always assume that you can learn something from someone else.