Old Testament
1 Chronicles 19:1-20:8: David stayed when he should have gone. He became complacent and prideful in his success – a dangerous combination.
Psalms
Psalm 78:26-33: In spite of all that God did for them, they still sinned. You must stay in relationship with God, not for what He can do for you but for who He is.
Proverbs
New Testament
Acts 8:26-40: Philip was knowledgeable of the Scripture so he could minister to the eunuch (2 Timothy 2:15).