(Al-Muaminoon) 23 : 118
وَقُلْ رَبِّ اغْفِرْ وَارْحَمْ وَأَنْتَ خَيْرُ الرَّاحِمِينَ
And you pray: "My Lord, You forgive me and You shower Your Mercy upon me, and You are the Best of among the merciful".
As Adhikr is codified as the Best Interpretation of the Lord’s Book, whoever holdfasts It, he did holdfast Lord and is guided into the Straightpath as explained in verses 3: 101-102 and 5: 48. See explanation 2: 285-286; 7: 205-206 and 22: 77-78.