Ambition leads me not only farther than any other man has been before me, but as far as I think it possible for man to go.

只为三个国家制造不值得我花时间；但为全世界制造则非常值得。

一门科学的历史就是它的问题域的历史。

The section is the architect’s most revealing drawing.

宁静的心灵是健康的源泉。