1. A state of unbelief (Eph. 3:20; James 1:6, 7)
  2. Harboring secret sin (Psalm 66:18)
  3. Selfishness (James 4:3)
  4. An unforgiving spirit (Mark 11:25)
  5. A lack of patience (Luke 18:1-7)
  6. Too much formalism (Luke 18:9-14)
  7. Lack of persistence (1 Thessalonians 5:17)
  8. Not asking in faith (James 1:5, 6; Hebrews 11:6)