今天种下的每一棵树都是留给后代的遗产。
"Mental life is fundamentally adaptive."
有机催化剂的美在于它们的多样性和适应性。
开始的最好方式是停止说话，开始行动。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.