A lokacin da Albertus aka aiko da shugabanninsa su koyar a sabon studium generale a Cologne a 1248, Thomas ya bi shi, ya ƙi da tayin Paparoma Innocent IV ya nada shi abbot na Monte Cassino a matsayin Dominican. Albertus sai ya nada mai ƙin yarda Thomas magister studentium. Saboda Thomas ya yi shiru kuma bai yi magana da yawa ba, wasu daga cikin 'yan uwansa ɗalibai sun yi tunanin yana da jinkiri. Amma Albertus annabi exclaimed: "Ka kira shi da oxiter, amma a cikin koyarwarsa zai wata rana samar da irin wannan bellowing cewa za a ji a ko'ina cikin duniya".Thomas ya koyar da Thomas a matsayin malamin ilimin tauhidi a lokacin da Thomas ya zama malamin koyarwa a sabon studium generale a Cologne a 1248, Thomas ya bi shi, ya ƙi tayin Paparoma Innocent IV ya nada shi abbot na Monte Cassino a matsayin Dominican.
1252 da kuma