有时候你必须穿过黑暗才能到达光明。
Sometimes you have to go through the darkness to get to the light.
What we learn from history is that people don't learn from history.
人は、自分が認められるために、他人を認める。
Progress requires both courage and humility.
译文:认识是实践的开始,实践是认识的完成。圣人之学只有一个功夫,知和行不能分成两件事。