Humans, in their wish to escape loneliness, made maneuvers that were very complex and hard to fathom。
礼、义、廉、耻是维系国家的四项基本准则；如果这四项准则不能推行，国家就会灭亡。
The pursuit of knowledge is a journey that never ends, and each discovery opens the door to new questions.
I am not interested in solving problems that are already solved.
The end of the battle of El Alamein is not war, not even the beginning of the war period ended, and may be the end of the war period.
