The Messenger of Allah ﷺ said: ʿWhoever commits a sin in this world and is punished therein. Allah is too generous to repeat His punishment of His slave [in the Hereafter], whoever commits a sin in this world and Allah conceals it and pardons him, Allah is too generous to retract His pardon when He has granted it.ʿ (Using translation from Aḥmad 775)
قَالَ رَسُولُ اللَّهِ ﷺ «مَنْ أَذْنَبَ ذَنْبًا فِي الدُّنْيَا فَسَتَرَهُ اللَّهُ عَلَيْهِ وَعَفَا عَنْهُ فَاللَّهُ أَكْرَمُ مِنْ أَنْ يَرْجِعَ فِي شَيْءٍ قَدْ عَفَا عَنْهُ وَسَتَرَهُ وَمَنْ أَذْنَبَ ذَنْبًا فِي الدُّنْيَا فَعُوقِبَ عَلَيْهِ فَاللَّهُ أَعْدَلُ مِنْ أَنْ يُثَنِّيَ عُقُوبَتَهُ عَلَى عَبْدٍ مَرَّتَيْنِ»