The P versus NP problem is one of the most important problems in computer science.
有些事情，無論我們多么努力，都無法使自己相信。
The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe or of its indirect consequences.
I believe in the power of music to change lives.
The best stories are those that remind us that the world is alive.