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.

凡庸な教師は教え、良い教師は説明し、優れた教師は実演し、偉大な教師は刺激を与える