Shiva Purana

siva.sh/siva-purana/saturda-samhita/14/37

विद्याजातं समस्तं च साक्षिमात्रं गुरोमुखात् ।। विनयादिगुणानाविष्कुर्वञ्जग्राह शक्तिमान् ।। ३७ ।।

sanskrit

Evincing his humility and other qualities, the competent youth grasped the lore almost by himself but formally through the preceptor just as a medium.

english translation

vidyAjAtaM samastaM ca sAkSimAtraM guromukhAt || vinayAdiguNAnAviSkurvaJjagrAha zaktimAn || 37 ||

hk transliteration by Sanscript