领导力在于做出艰难的决定并坚持到底。
Leadership is about making the tough calls and standing by them.
The best time to plant a tree was twenty years ago. The second best time is now.
The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.