世界是一面镜子，它映照出我们的丑陋。

数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。

我们必须将土壤健康视为粮食安全的基础。

Nonviolence is a powerful and just weapon which cuts without wounding and ennobles the man who wields it.

Life is short, but if we live it right, once is enough.

"Humor is the great thing, the saving thing. The minute it crops up, all our irritations and resentments slip away and a sunny spirit takes their place."

最大的幸福是知道不幸的根源。