Mahabharat
चातुर्वर्ण्यस्य कर्माणि विहितानि मनीषिभिः धनं यैर अधिगन्तव्यं यच च कुर्वन न दुष्यति ॥ ४-४५-४ ॥
'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