It is always good to have a problem that you cannot solve. It means you have something to work on.

"The way you think about time changes as you get older."

Philosophy is the discipline that forces us to confront the questions we would most like to avoid.

要想成功，你必须愿意失败。

我们必须倾听土著知识——几个世纪以来，他们一直是森林的守护者。

成功经济发展的关键在于获得正确的价格并创造正确的激励。