Agriculture is the foundation of manufactures, since the productions of nature are the materials of art.

"Every family has its secrets, but some secrets are buried deeper than others."

The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have ended in the victory of the former.

仰望星空，而不是低头看脚。试着理解你所看到的，并思考是什么让宇宙存在。保持好奇心。

没有完美的知识可以称为我们与生俱来的；唯有从经验中获得的知识才是真正的知识。