没有所谓的"应用科学"这一特殊类别；只有科学及其应用，它们之间的关系就像果实与结出果实的树之间的关系一样。
There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
释义：如果早知道这个人会如此绊人心，那么当初就不应该认识他。
Sustainability isn't an option; it's a responsibility we owe to future generations.