树种多样性不仅仅是生态学，它是我们地球肺部的风险管理。
领导就是服务。
One of the strongest motives that lead men to art and science， is escape from everyday life with its painful crudity and hopeless dreariness， such men make this cosmos and its construction in the pivot of their emotional life， in ordered to find the peace and the security， which they cannot find in the narrow whirlpool of personal experience.
只有冒险的人才会自省。