Mishnah for Bava Metzia 65:16

איתמר רב יצחק בר יוסף אמר ר' יוחנן הלכה כרבי יהודה רב אחא בר רב הונא אמר רב ששת הלכה כרבי יוסי

<b><i>MISHNAH</i></b>. IF [A MAN'S] OWN LOST ARTICLE AND HIS FATHER'S LOST ARTICLE [NEED ATTENTION], HIS OWN TAKES PRECEDENCE. HIS OWN AND HIS TEACHER'S — HIS OWN TAKES PRECEDENCE; HIS FATHER' S AND HIS TEACHER'S — HIS TEACHER'S TAKES PRECEDENCE, BECAUSE HIS FATHER BROUGHT HIM INTO THIS WORLD, WHEREAS HIS TEACHER. 'WHO INSTRUCTED HIM IN WISDOM, BRINGS HIM TO THE FUTURE WORLD. BUT IF HIS FATHER IS A SAGE,<span class="x" onmousemove="('comment',' [MS.M. adds: 'equal (in wisdom) to his teacher.'] ');">¹⁵</span>

Pirkei Avot