Someone has observed that no significant revival has ever occurred without first having these three factors prevalent: (1) attention to the Word of God, (creating a hunger and thirst for righteousness), (2) repentance, and (3) prayer.
Psalm 119:25-32 NKJV
25 My soul clings to the dust;
Revive me according to Your word.
Signs of need for revival: verses 25 & 28, dryness and heaviness.
"So then faith comes by hearing, and hearing by the Word of God" (Romans 10:17).
26 I have declared my ways,