कृषिगोरक्ष्यवाणिज्यं वैश्यकर्म स्वभावजम् ।
पयुत्थानात्मकं कर्म शूद्रस्यापि स्वभावजम् ॥
१८-४४ ॥
kṛṣigorakṣyavāṇijyaṃ vaiśyakarma svabhāvajam |
payutthānātmakaṃ karma śūdrasyāpi svabhāvajam ||
18-44 ||
Agriculture, cattle-tending, and trade are the vaiśya's duty, born of his nature; and work consisting of service is the śūdra's, born of his nature.