Mahabharata 3.203.44

यतो न गुरुरप्येनं च्यावयेदुपपादयन्तं विद्याद्ब्रह्मणो योगं वियोगं योगसंज्ञितम्

yato na gururapyenaṃ cyāvayedupapādayantaṃ vidyādbrahmaṇo yogaṃ viyogaṃ yogasaṃjñitam

Our plain-language meaning of this verse is waiting for scholar review.