悲伤不是线性的过程。它像波浪一样袭来，有时那些波浪会把你击倒。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

Success is not final, failure is not fatal: It is the courage to continue that counts.

创新是水产养殖的命脉；没有它，我们就会停滞不前，无法满足地球日益增长的需求。

There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.