任何文化的艺术都是其社会关系的体现。

The Milky Way’s black hole is our closest laboratory for studying extreme gravity.

The most important property of a program is whether it accomplishes the intention of its user.

Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.

真正的强大是承认自己的软弱。

    ——杜抨击当时的国民政府。