系统有子系统，子系统有子系统，等等，这是无限的，这就是为什么我们总是从头开始。

By recording your dreams and goals on paper, you set in motion the process of becoming the person you most want to be. Put your future in good hands — your own.

文明是人类与其环境互动的结果。

最大的风险就是不冒任何风险。

每一种语言都是思想的古老森林。