चतुर्युगाख्यान (Caturyuga-Ākhyāna) — Yuga-wise Origins and Measurements of Beings
वृद्धाश्चालोलुपाश्चैव त्वात्मवन्तो ह्यदांभिकाः / सम्यग्विनीता ऋजवस्तानाचार्यान्प्रजक्षते
vṛddhāścālolupāścaiva tvātmavanto hyadāṃbhikāḥ / samyagvinītā ṛjavastānācāryānprajakṣate
Those who are aged, free from greed, self-possessed and without pretence—rightly disciplined and upright—such persons are acknowledged and proclaimed as ācāryas.