Pushing yourself to be the best is unsustainable. Simply push yourself to be better than the day before.

Anyone who achieves any kind of success, however you want to define it, sometimes can't let go of it.

Pure pragmatism can't imagine a bold future. Pure idealism can't get anything done. It is the delicate blend of both that drives innovation.

There are two types of claims: those based on hard numbers and those based on slippery numbers.

Like a good parent can't also be his child's best friend, a leader with authority requires some separation from subordinates.

Academic experts may not be good at doing what they are experts in themselves, but they are good at explaining the subject matter to others. They write books, teach courses and offer lessons and give steps others can follow.

Dr. King gave the "I have a dream" speech, not the "I have a plan" speech.