Data structures are the backbone of efficient algorithms.
The best science is done with both the head and the heart.
黑洞防火墙的概念挑战了我们对量子力学和广义相对论的理解。
我们不是从祖先那里继承森林,而是向子孙借用。
Faith has to do with things that are not seen, and hope with things that are not at hand.