Suppose we have contaminated so many things in our material life. There are, in a material calculation, there are so many things which are the list. One list is for morality and another list is for immorality. I do not wish to discuss this list because in . . . for a person which is immorality, for another person it is not immorality—it is morality. Just like according to our conception, hindu conception, drinking of wine is immoral, whereas in your country drinking of wine is not immoral; it is common thing. Of course . . . so according to time, class, place, the conception of morality and immorality are different. But there is a, a sense of immorality and morality in everywhere. That is a fact.
So Kṛṣṇa says that, "Even if you see a person immoral, but he is completely engaged in Kṛṣṇa consciousness, then it should be concluded that he is a saint. He's a saintly person." That is the description given by Kṛṣṇa of sādhu. Api cet su-durācāro bhajate mām ananya-bhāk, sādhur eva sa mantavyaḥ (BG 9.30). So in other words, He says, "Any person who is engaged in Kṛṣṇa consciousness, never mind he might have something externally immoral habits due to his past association—it doesn't matter."