The fabulous country—the place where miracles not only happen, but where they happen all the time.

"I'm not perfect, but I'm trying every day to concentrate on being better."

Avoid extreme ideologies because they rob you of your sanity.

The essence of computational complexity is to understand the limits of what can be computed efficiently.

时间是一种持久的存在，它包含了过去、现在和未来。