The desert could not be claimed or owned–it was a piece of cloth carried by winds, never held down by stones, and given a hundred shifting names.

The mind is its own place, and in itself can make a heaven of hell, a hell of heaven.

解析：经常反省检查自己，不给私欲留空间。

贫穷并不等于缺乏意志力，而是缺乏选择。