A miracle:an event described by those to whom it was told by men who did not see it.
The only way to do great work is to love what you do.
译文：人必须在事情上磨炼，才能立得住;才能做到安静时也安定，行动时也安定。
要养活世界，我们必须首先尊重我们所拥有的资源。
对抗世界的唯一防御是对它的彻底了解。