How Come Iniquity Was Found In Lucifer?

This is a very important question: how come iniquity was found in Lucifer? He was created good. All the virtues of godliness were found in him. He was perfect in his ways, full of wisdom and perfect in beauty. How come iniquity was found in him?

The point here is that Lucifer did not just become defiled by iniquity without a cause. There was a cause that…