A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.
You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.
Every tree tells a story; our job is to make sure it's a story of renewal, not destruction.
翻译:所以不完全了解用兵的危害,就不能完全了解用兵的好处。