You must not think that what is hard for you to master is humanly impossible； and if it is humanly possible， consider it to be within your reach.
你不应该认为对你来说难以掌握的东西是不可能的，如果是人类可以实现的，就应该认为它是可以实现的。
The thrill of discovery never gets old.
你必须要有耐心；伟大的事业需要时间来建立。
穷人一生都梦想着吃饱饭，看起来像富人。而富人梦想什么呢？减肥，看起来像穷人。
The value or worth of a man is, as of all other things, his price; that is to say, so much as would be given for the use of his power.
In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.