One of the sanest, surest, and most generous joys of life comes from being happy over the good fortune of others.

One of the sanest, surest, and most generous joys of life comes from being happy over the good fortune of others.

生活中最理智、最可靠、最慷慨的快乐之一，来自于对他人好运的快乐。

-- Robert A. Heinlein 罗伯特·海因莱因