The scientist is a practical man and his are practical aims. He does not seek the ultimate but the proximate.
科学家是务实的人，他们的目标是实际的。他们不追求终极，而是追求接近。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
"我不是女权主义者，我是人文主义者。"
我们不试图把握市场时机。我们试图买便宜的东西。