History is the memory of a nation.
Science should bridge the gap between the lab and the field.
The only thing that matters in art is the part that cannot be explained.
小人办事,处理的原则是私利,合于私利的就看作利,违背私利的就看作害;君子办事,衡量的标准是道义,合于道义的就看作利,违反道义的就看作害。