The most dangerous thing is to do nothing.
"Sometimes, you have to look back in order to understand the things that lie ahead."
经常静坐思考,来收拢思想;减少饮酒色欲,来清理思想;摒除嗜好情欲,来修养思想;体味古人教训,来警戒思想;悟察至理名言,来明确思想。
世界是一面镜子,它反映出我们选择看到的东西。