That will help provide some interesting plot points if done correctly.
Such as having an upper and lower city, where the upper city is built in the air to be off the ground for some reason, and those not worthy to be in the upper city (The morphs if most people don't like morphs) being forced to live in the lower city.
Romans 8:31 What, then, shall we say in response to this? If God is for us, who can be against us?
1 Corinthians 13:1-3 If I speak in the tongues of men or of angels, but do not have love, I am only a resounding gong or a clanging cymbal. If I have the gift of prophecy and can fathom all mysteries and all knowledge, and if I have a faith that can move mountains, but do not have love, I am nothing. If I give all I possess to the poor and give over my body to hardship that I may boast, but do not have love, I gain nothing.