Manusmriti
नीचं शय्याऽऽसनं चास्य नित्यं स्याद् गुरुसन्निधौ । गुरोस्तु चक्षुर्विषये न यथेष्टासनो भवेत् ॥ १९८ ॥
When his teacher is nigh, let his bed or seat be low; but within sight of his teacher he shall not sit carelessly at ease.
english translation
nIcaM zayyA''sanaM cAsya nityaM syAd gurusannidhau । gurostu cakSurviSaye na yatheSTAsano bhavet ॥ 198 ॥
hk transliteration by Sanscript