The work of the philosopher consists in assembling reminders for a particular purpose.

Every business decision we make in forestry must pass the test of time - will this still make sense in 100 years?

可持续发展不是一种选择；它是我们对后代的责任。

我认为质数就像生活。它们非常合乎逻辑，但你永远无法弄清楚其中的规则，即使你花所有时间去思考它们。