Romans 1:19
1:19 because what can be known about God is plain to them, because God has made it plain to them.
Romans 1:28
1:28 And just as they did not see fit to acknowledge God, God gave them over to a depraved mind, to do what should not be done.
Romans 1:32
1:32 Although they fully know God’s righteous decree that those who practice such things deserve to die, they not only do them but also approve of those who practice them.