The major credit I think Jim and I deserve... is for selecting the right problem and sticking to it.
Change is hardest at the beginning, messiest in the middle, and best at the end.
The deeper the sorrow, the greater the art.
【释义】:圣人处世的道理是灵活多变的,能根据时机和环境变化而采取合宜的行动,不拘泥于固定的方式。