sarveṣām eva śaucānām arthaśaucaṃ paraṃ smṛtaṃ / yo 'rthe śucir hi sa śucir na mṛdvāriśuciḥ śuciḥ //
Among all modes of purification, purity in (the acquisition of) wealth is declared to be the best; for he is pure who gains wealth with clean hands, not he who purifies himself with earth and water.