Bhagavad-gītā 18.44
BG 18.44
Open the full passageकृषिगौरक्ष्यवाणिज्यं वैश्यकर्म स्वभावजम् । परिचर्यात्मकं कर्म शूद्रस्यापि स्वभावजम् ॥४४॥
Sanskrit
kṛṣi-go-rakṣya-vāṇijyaṁ vaiśya-karma svabhāva-jam paricaryātmakaṁ karma śūdrasyāpi svabhāva-jam
Translation
Farming, cow protection and business are the natural work for the vaiśyas, and for the śūdras there is labor and service to others.