The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.

To feed the world, we must first understand it.

要想找到自我，必须独立思考。

对未来的真正慷慨在于把一切都给予现在。

事实是顽固的东西；无论我们的愿望、倾向或激情的驱使如何，它们都无法改变事实和证据的状态。