The writer's duty is to tell the uncomfortable truths that others prefer to ignore.
静默时就能思考，说话时就能教导人，有符合道义的行为就能成就事业，如果这三者交替运用，就能成为圣人。
用音乐传递希望。
The best time to plant a tree was 20 years ago. The second best time is now.
自然的法则是无情的。
But this long run is a misleading guide to current affairs. In the long run we are all dead.