ब्रह्मारम्भेऽवसाने च पादौ ग्राह्यौ गुरोः सदा । संहत्य हस्तावध्येयं स हि ब्रह्माञ्जलिः स्मृतः ॥ ७१ ॥
At the beginning and at the end of (a lesson in the) Veda he must always clasp both the feet of his teacher, (and) he must study, joining his hands; that is called the Brahmangali (joining the palms for the sake of the Veda).