Mahabharat

siva.sh/mahabharat/virata-parva/45/4

चातुर्वर्ण्यस्य कर्माणि विहितानि मनीषिभिः धनं यैर अधिगन्तव्यं यच च कुर्वन न दुष्यति ।। ४-४५-४ ।।

sanskrit

'The Self-existent has ordained these duties for the four orders, so that by performing them, each may acquire wealth without reproach.' ।। 4-45-4 ।।

english translation

cAturvarNyasya karmANi vihitAni manISibhiH dhanaM yaira adhigantavyaM yaca ca kurvana na duSyati || 4-45-4 ||

hk transliteration by Sanscript