Sin is detrimental to our soul as cancer is to our physical body, but it's a lot more serious on a different level. Jesus said, "Do not be afraid of those who kill the body but cannot kill the soul; rather, be afraid of the one who can destroy both soul and body in Gehenna." In a way, all sinners are teetering on the edge of a precipice. Overloaded with sins, they can easily fall off the cliff. What Christ can do is to not only remove the burden of your sins, but also pull you away from the cliff into a safety zone. There you await until the time to be transported to heaven arrives.