做好研究的秘诀是始终保持轻微的工作不足状态。因为无法浪费几个小时，你可能会浪费数年时间。

"A man is rich in proportion to the number of things he can afford to let alone."

"I am not a writer who writes to entertain. I write to provoke thought and challenge the status quo."

数学是给不同事物起相同名字的艺术。