译文：纵欲放荡、消极怠慢就不能勉励心志使精神振作，冒险草率、急躁不安就不能修养性情。赏析：我们要是一直沉迷于物质享受，贪图享乐，做任何事就会消极懈怠。做事草率鲁莽，浮浮躁躁的，事情也会难以成功。
战略的本质是选择不做什么。
Small changes can lead to big impacts when everyone commits.
If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.
The city is the greatest invention of mankind.