交易中最重要的是保护你的资本。

When the legislative and executive powers are united in the same person， or in the same body of magistrates， there can be no liberty.

The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.

互相有爱意，交往中也相互得利。这是墨子很典型的思想主张，也是墨家学派对人类社会最美好的期望。

创新不是对每件事都说“是”，而是对所有非关键特性说“不”。