真相很少是纯粹的，也从来不是简单的。

Act as if what you do makes a difference. It does.

I'm not a professional. I have no professional life. I just do what I do.

You don't need a weatherman to know which way the wind blows.

We Germans will never get rid of Hitler. He is like a birthmark on our face.

翻译：准备各种物资以充分利用，制成器具给天下带来利益，没有比圣人更伟大的了。