过去从未死去，它甚至不是过去。

Happiness is as a butterfly which, when pursued, is always beyond our grasp, but which if you will sit down quietly, may alight upon you.

我写作是为了理解我周围的世界。

在量子场论的领域中，真空并非空无一物，而是充满了虚粒子的沸腾大锅。