I could either watch it happen or be a part of it.

Writing is a profession for those who cannot live without writing.

Science is simply common sense at its best—that is, rigidly accurate in observation, and merciless to fallacy in logic.  

The best way to predict the future is to create it.

把自己的精神，培养得清净明澈；把自己的思想，澄清专一；把自己的胆识，培养得深沉敏捷；把自己的气魄，培养得坚强宏大；把自己的才干，培养得果敢决断；把自己的器量，培养得端正庄重；把自己的胸襟，培养得豁达宽容；把自己的节操，培养得严肃冷峻。