我只能这样说：不管革命失败有多少次，但是我总希望中国的革命能成功，所以便不能不这样奋斗。
——1896年，伦敦蒙难后许多人问孙：“我们看到你，你这位先生的革命事业不知道失败过多少次了，为什么还不丧气，总是这么热心呢？这是什么理由呢？”
过去并未死去；它甚至还未过去。
不要把事实告诉不值得的人。
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.
Trust is a precious wealth built on the foundation of honesty and loyalty.
"Memory is a complicated thing, a relative to truth, but not its twin."
The truth is that we are all alone in the world.