anirvedaḥ śriyo mūlyaṁ duḥkha-nāśe sukhasya ca
anirvedaḥ śriyo mūlyaṁ duḥkha-nāśe sukhasya ca |
mahān bhavaty anirviṇṇaḥ sukhaṁ cātyantam aśnute ||
(Mahābhārata: 5.39.45; Mahāsubhāṣita-saṅgraha)
“Perseverance [lit., non-despondence] is the root of fortune, elimination of suffering, and happiness. One who is perseverant [alt., non-despondent] is great and enjoys the greatest happiness.”