The Greater Sin
Because all sin is equally deadly to the soul guilty of committing it, there is not much of a point of arbitrarily categorising sins like some do with lies. From a biblical perspective, there is no such thing as a "little" or "white" lie. God identifies all lying as abominable in His sight full stop, and to think we can benefit ourselves or practically help others by lying to them is a deception. To claim we have chosen to lie out of the goodness of our hearts is plain hypocrisy. There are many sinful things people justify themselves doing and saying, but God's righteous standards do not sway with societal tendencies. While it may not provide great benefit for us to comparatively rank sins against one another--as we are called to do good rather deferring to a lesser sin--there are a handful of occasions where the Scripture does speak of one sin being greater than another. Since God has provided this knowledge, it would be wise for us to consider why that is...