唯一不变的是变化，持续的变化，不可避免的变化，这是当今社会的主导因素。
我们都是生命之书中的章节。
The mind is what the brain does.
Every artist dips his brush in his own soul, and paints his own nature into his pictures.
不去尝试办不到的事情, 不去追求得不到的东西, 不居于不能持久的地位, 不推行不可重复的政策。