Those of us who have been fortunate have a duty to give back.Whether one gives a lot as one goes along as I do, or a little and then a lot (when one dies) as Warren does, is a matter of personal preference.

真相比小说还要不可思议。

合成材料的未来在于在分子水平上理解和控制聚合物的结构。

血是最贵重的液体。

伟大的事业开始了。