The beauty of instrumental variables is that they allow us to see the world in a new light.
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
创造高效和选择性催化剂的挑战让我每天都充满动力。
Life's short, gotta make the most of it.
The terror of art is that you don't know where it will take you.