Vanisource:Sloka of the day/July 23, 2008

dharmasya hy āpavargyasya
nārtho 'rthāyopakalpate
nārthasya dharmaikāntasya
kāmo lābhāya hi smṛtaḥ

All occupational engagements are certainly meant for ultimate liberation. They should never be performed for material gain. Furthermore, according to sages, one who is engaged in the ultimate occupational service should never use material gain to cultivate sense gratification.