Granted, there are degrees of sin, and some offenses are very hard for imperfect humans to forgive.
تَأَمَّلْ فِي مَثَلِ يَسُوعَ فِي مَتَّى ١٨ :‏ ٢٣ -‏ ٣٤‏ ،‏ وَٱسْأَلْ نَفْسَكَ :‏ ‹ هَلْ أُطَبِّقُ مَا عَلَّمَهُ يَسُوعُ ؟‏