yohanaḥ 13:14-15

yadyahaṁ prabhu rguruśca san yuṣmākaṁ pādān prakṣālitavān tarhi yuṣmākamapi parasparaṁ pādaprakṣālanam ucitam| ahaṁ yuṣmān prati yathā vyavāharaṁ yuṣmān tathā vyavaharttum ekaṁ panthānaṁ darśitavān|