Diversity in species and systems isn’t complexity—it’s insurance.
聪明的人谈现在,愚蠢的人谈过去,傻子才谈未来。
Concrete is the marble of our time, a democratic material.
勇气不是没有恐惧,而是战胜恐惧。
People who cannot find time for recreation are obliged sooner or later to find time for illness.