The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.
Life is short, make it sweet.
The only way to escape the mundane is to constantly transform it.
教学的艺术是帮助发现的艺术。
夏桀好商纣就是没有任用天下之贤士而遭到杀身之祸吗?所以说∶”赠送国宝,不如举荐贤能的人才。”