Psalms 38:9

38:9 O Lord, you understand my heart’s desire;

my groaning is not hidden from you.

Psalms 66:18-19

66:18 If I had harbored sin in my heart,

the Lord would not have listened.

66:19 However, God heard;

he listened to my prayer.

James 5:16

5:16 So confess your sins to one another and pray for one another so that you may be healed. The prayer of a righteous person has great effectiveness.