Libraries were full of ideas—perhaps the most dangerous and powerful of all weapons.

The best time to plant a tree was 20 years ago; the second-best time is now.

程序测试可以用来显示错误的存在，但绝不能显示它们的不存在！

对于任何名副其实的艺术家来说，自然界中的一切都是美丽的，因为他的眼睛无畏地接受所有外在的真理，像在一本打开的书中一样，在那里读到所有内在的真理。

The most interesting art happens at the edges of disciplines.

I have to remind myself that some birds aren't meant to be caged. Their feathers are just too bright. And when they fly away, the part of you that knows it was a sin to lock them up DOES rejoice. Still, the place you live in is that much more drab and empty that they're gone. I guess I just miss my friend.

The most valuable asset any company has is its people.