Mahaprabhu gave four regulative principles: no meat eating, no intoxication, no illicit-sex life, and no gambling. These are the four pillars of sinful activity. If someone strictly observes these four regulative principles, accepts a bona fide spiritual master coming in the disciplic succession of Chaitanya Mahaprabhu, and chants Hare Krishna, he will be in Satya-yuga, not Kali-yuga. So where is the question of sin? But those who don’t do it, they are in Kali-yuga. Kali is there.