谁知旧日情，斯人知太深。绵绵长怀恨，尽在不言中。

我就像一个缺少许多碎片的拼图。

对于那些有为而生的人来说，没有什么是无足轻重的。

过去不是一个地方，而是一种状态。

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

Every man is his own greatest enemy， and as it were his own murderer.