praśāntāḥ śuddha-cetasaḥ

ye-those who; sva-dharman-their own occupational duties; na-do not; duhyanti-take advantage of; dhirah-intelligent; kama-sense gratification; artha-economic development; hetave-for the sake of; nihsaṅgah-free from material attachment; nyasta-given up; karmanah-fruitive activities; prasantah-satisfied; suddha-cetasah-of purified consciousness.