KāSū, 1, 5, 23.1 saha pāṃsukrīḍitam upakārasambaddhaṃ samānaśīlavyasanaṃ sahādhyāyinaṃ yaścāsya marmāṇi rahasyāni ca vidyāt yasya cāyaṃ vidyād vā dhātrapatyaṃ sahasaṃvṛddhaṃ mitram //