要说“我爱你”，首先必须能够说“我”。
To say 'I love you' one must first be able to say the 'I'.
The joy of discovery is what keeps me motivated after all these years.
Some men can get results if kindly encouraged, but give me the kind that do things in spite of hell.
The process of scientific discovery is as important as the discovery itself, for it teaches us about the nature of inquiry and the limits of our understanding.