young men think old men are fools, but old men know young men

US /jʌŋ men ˌθɪŋk oʊld men ɑːr ˈfuːlz bət oʊld men ˌnoʊ jʌŋ men/

年輕人認為老年人是傻瓜，但老年人了解年輕人