革命是被压迫和被剥削者的节日。
The only way to do great work is to love what you do.
没有熟练的操作者，最先进的机械也毫无意义。
古代的人，得志时，恩泽施于百姓；不得志时，修养自身显现于世。
Policymakers should be open to revising their views based on new evidence.
Ethics isn't a barrier to progress—it's a guide for responsible progress.