Sura 11:90. But ask forgiveness of your Lord, and turn unto Him (in repentance): for my Lord is indeed full of mercy and loving-kindness."
Sura 2:54. And remember Moses said to his people: "O my people! Ye have indeed wronged yourselves by your worship of the calf: so turn (in repentance) to your Maker, and slay yourselves (the wrong-doers); that will be better for you in the sight of your Maker." Then He turned towards you (in forgiveness): for He is Oft-Returning, Most Merciful.
2:128. Our Lord! make us "True in Faith", bowing to Thy (Will), and of our progeny a people "True in Faith", bowing to Thy (will) and show us our place for the celebration of (due) rites and turn unto us (in Mercy) for Thou art the Oft-Returning, Most Merciful.
Sura 2:156. Who say, when afflicted with calamity: "To God we belong, and to Him is our return":-
2:157. They are those on whom (descend) blessings from God, and Mercy, and they are the ones that receive Guidance.