the mediocre teacher tells, the good teacher explains, the superior teacher demonstrates, the great teacher inspires

US /ðə ˌmiː.diˈoʊ.kər ˈtiː.tʃər telz ðə ˌɡʊd ˈtiː.tʃər ɪkˈspleɪnz ðə səˈpɪr.i.ər ˈtiː.tʃər ˈdem.ən.streɪts ðə ˈɡreɪt ˈtiː.tʃər ɪnˈspaɪərz/
"the mediocre teacher tells, the good teacher explains, the superior teacher demonstrates, the great teacher inspires" picture
1.

平庸的老師講述，好的老師解釋，優秀的老師示範，偉大的老師啟發