1 Corinthians 2:14 (NIV) The man without the Spirit does not accept the things that come from the Spirit of God, for they are foolishness to him, and he cannot understand them, because they are spiritually discerned.
Ephesians 2:3 (MSG) We all did it, all of us doing what we felt like doing, when we felt like doing it, all of us in the same boat. It's a wonder God didn't lose his temper and do away with the whole lot of us.
Romans 7:15 (NLT) I don’t really understand myself, for I want to do what is right, but I don’t do it. Instead, I do what I hate.
Jeremiah 17:9 (NLT) “The human heart is the most deceitful of all things, and desperately wicked. Who really knows how bad it is?
Isaiah 6:1-4 (NLT)  It was in the year King Uzziah died that I saw the Lord. He was sitting on a lofty throne, and the train of his robe filled the Temple.  Attending him were mighty seraphim, each having six wings. With two wings they covered their faces, with two they covered their feet, and with two they flew.
 They were calling out to each other, “Holy, holy, holy is the Lord of Heaven’s Armies! The whole earth is filled with his glory!”  Their voices shook the Temple to its foundations, and the entire building was filled with smoke.