The only person you are destined to become is the person you decide to be.
模型的目的是足够简单以便理解和使用,但又足够复杂以捕捉系统的基本特征。
译文:告诉远方的游子:别为这点寒冷发愁。春天马上就要来了,就在你家东边不远处。
Leadership means making tough decisions today that will benefit generations tomorrow.
The facts are always less than what really happened.