电磁场的方程是从实验事实中推导出来的。

我想揭示大自然的秘密，用来造福人类。我认为，在我们的短暂一生中，最好的贡献莫过于此了。

A picture book is like a theater where the audience can walk around on stage.

The world is full of stories, but what matters is how you tell yours.

Every song has its own story.

表演是一门需要不断学习和成长的手艺。