Prayer is important to the Christian. There are 5 Reasons for Delay.
Persistence of Prayer
Lu. 18:1 And he spake a parable unto them to this end, that men ought always to pray and not to faint
2 Saying There was in a city a judge, which feared not God, neither regarded man:
3 And there was a widow in that city; and she came unto him, saying Avenge me of