不要试图改变外部世界，改变你的内在世界，外部世界会自动调整。
Do not try to change the outer world; change your inner world, and the outer world will adjust itself.
It has always been easy to hate and destroy. To build and to cherish is much more difficult.
变革在开始时最难，在中间最混乱，在结束时最好。
过去是一个幽灵，萦绕在现在。