The quality of modesty, by virtue of which one is not puffed up with pride, in spite of being possessed of the superiority of caste etc..., which are generally the causes of egotism.
aṇukkaso ṇāma na jātyādibhirmadasthānairutkarṣaṃ gacchati.
(Sūtra 1.1.77 Cū p. 45)