ब्राह्मणः क्षत्रियो वैश्यस्त्रयो वर्णा द्विजातयः ।
चतुर्थ एकजातिस्तु शूद्रो नास्ति तु पञ्चमः ॥
brāhmaṇaḥ kṣatriyo vaiśyas trayo varṇā dvijātayaḥ |
caturtha eka-jātis tu śūdro nāsti tu pañcamaḥ ||
(Manu Smṛti: 10.4)
“Brāhmaṇa, kṣatriya, and vaiśya—these three varṇas become the twice-born (dvijas). The fourth, the śūdra [-varṇa] is a caste (jāti), and there is no fifth [varṇa].”