The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

Most people find the concept of programming obvious, but the doing impossible.

"The choices we make define who we are, not the circumstances we face."

That thing that made you weird as a kid could make you great as an adult — if you don’t lose it.

有时，你必须回头看，才能理解前方的事物。