In 1925, Chinese delegation brought a gold-wire screen with a quote from Confucius saying that "all the people of the world are brothers" to the world conference on opium control.

1925年，世界控制鸦片会议上，中国带来的礼物是一架金丝屏风，上面写着孔子的名言“四海之内，皆兄弟也”。