The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.

Philosophy is an ornament in prosperity, a refuge in adversity, and a provision in old age.

——序，姚伯麟《战后太平洋问题》，1919年9月

写作是让沉默发声的艺术。

The law of nature is the fundamental wisdom.

这个世界极其危险、不可信任、不可靠。