实现明天理想的唯一限制是我们今天的疑虑。
You can’t go back and change the beginning, but you can start where you are and change the ending.
有人说，所有人都应该像奴隶一样干活儿，这样可能会让他们效率低下，但也能让他们持续保持工作状态——我对此并不感冒。那种方式不可能奏效。
学习数学的最好方法就是做数学。
The P versus NP problem is one of the most important unsolved problems in computer science.
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
I don’t do things for the response or the controversy. I just live my life.