"Ein Buch zu schreiben ist wie eine Reise in ein unbekanntes Land."
写一本书就像去一个未知的国度旅行。
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
Pain is temporary, but quitting lasts forever.
It took untold generations to get you where you are. A little gratitude might be in order. If you're going to insist on bending the world to your way, you better have your reasons.
The only limit to our realization of tomorrow will be our doubts of today.
【讲解】：一个人的高尚的品质和外在的表现一致，然后才能成为君子。