Consciousness is a process, not a substance.
You can’t be everything to everyone, but you can be everything to someone.
私下批评，公开表扬。
If you do what you've always done, you'll get what you've always gotten.
The best time to plant a tree was twenty years ago. The second best time is now.
永远不要停止学习，一旦停止，你就会落后。
Leadership in crisis means making tough decisions today for a better tomorrow.