Proverbs 15:29

1 Peter 3:12 NIV
For the eyes of the Lord are on the righteous and his ears are attentive to their prayer, but the face of the Lord is against those who do evil.”

James 5:16-18 NIV
Therefore confess your sins to each other and pray for each other so that you may be healed. The prayer of a righteous person is powerful and effective. Elijah was a human being, even as we are. He prayed earnestly that it would not rain, and it did not rain on the land for three and a half years. Again he prayed, and the heavens gave rain, and the earth produced its crops.

John 9:31 NIV
We know that God does not listen to sinners. He listens to the godly person who does his will.

Proverbs 15:8 NIV
The Lord detests the sacrifice of the wicked, but the prayer of the upright pleases him.