理论和实践的区别在于，理论上，理论和实践没有区别，但在实践中，却有区别。
The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.
So much to do, so little done, such things to be.
Efficiency without ethics is just speed in the wrong direction.
Never stop learning; the world is always evolving.
在危机时刻，真正的领导者通过坚定地做出艰难决策而脱颖而出。
