在量子力学中，轨迹的概念失去了意义。

"The only true voyage of discovery, the only fountain of Eternal Youth, would be not to visit strange lands but to possess other eyes, to behold the universe through the eyes of another, of a hundred others, to behold the hundred universes that each of them beholds."

在我们的行业中，风险是不可避免的，但鲁莽不是。