People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.

过去是一个异国；他们在那里做事的方式不同。

自然万物发展变化的规律是：发展到尽头，就会走向反面；发展到极盛之后，就会趋于衰落。