科学中真正的挑战不仅是理解自然，而且是利用自然来改善人类。
希望之桥就是从“信心”这个字开始的——而这是一条把我们引向无限博爱的桥。
The beauty of theoretical physics lies in its ability to describe the universe with a few simple equations, revealing the underlying simplicity beneath the apparent complexity.
The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.