Any conversation about grace that does not also engage the subject of sin is a one-sided conversation. It is to go on a journey and to be told of the glorious ultimate destination, but to be left with no way of getting there.
James tells us that "faith without works is dead (James 2:14)." Prayer without action related to the request is like plugging in a lamp but not turning on the switch. Sure, you've connected to the source, but you haven't ACTIVATED the power