abhyāsād dhāryate vidyā
abhyāsād dhāryate vidyā kulaṁ śīlena dhāryate |
guṇair mitrāṇi dhāryante akṣṇā krodhaś ca dhāryate ||
(Mahāsubhāṣita-saṅgraha: 2390)
“Knowledge is maintained by practice. A family is maintained by good conduct. Friends are maintained by good qualities. And anger is maintained by the eyes.”