Hadith: A man will go to sleep and honesty will be taken out of his heart and only a trace of it will remain, like the trace of a dark spot. And a man will go to sleep again and the honesty will decrease further still, so its trace will resemble that of a blister.

عن حذيفة بن اليمان رضي الله عنه قال: حَدَثَنا رسول الله صلى الله عليه وسلم حدِيثَين قَد رَأَيتُ أَحَدَهُما وأنا أنتظر الآخر: حدثنا أنَّ الأمَانة نَزَلَت في جَذر قُلُوب الرِّجال، ثمَّ نزل القرآن فَعَلِموا مِن القرآن، وعَلِمُوا مِن السُنَّة، ثمَّ حدَّثنا عن رفع الأمانة، فقال: «يَنَامُ الرَّجُلُ النَّومَة فَتُقْبَضُ الأَمَانَةُ مِنْ قَلْبِهِ، فَيَظَلُّ أَثَرُهَا مِثلَ الوَكْتِ، ثُمَّ يَنَامُ النَّومَةَ فَتُقبَض الأَمَانَة مِن قَلْبِه، فَيَظَلُّ أَثَرُها مِثل أَثَر المَجْلِ، كَجَمْرٍ دَحْرَجْتَهُ عَلى رِجْلِكَ فَنَفِطَ، فَتَرَاهُ مُنْتَبِراً وَلَيس فِيه شَيء»، ثم أَخَذ حَصَاةً فَدَحْرَجَه على رجله «فَيَصبَح النَّاس يَتَبَايَعُون، فَلاَ يَكَاد أَحَدٌ يُؤَدِّي الأَمَانَةَ حَتَّى يُقَال: إِنَّ فِي بَنِي فُلاَن رَجُلاً أَمِيناً، حَتَّى يُقَال للرَّجُل: مَا أَجْلَدَهُ! مَا أَظْرَفَه! مَا أَعْقَلَه! وَمَا فِي قَلبِه مِثْقَالُ حَبَّة مِن خَرْدَل مِنْ إيمان»، ولَقَد أتى عَلَيَّ زَمَان وما أُبَالي أَيُّكُم بَايعت: لئِن كان مُسلِمًا لَيَرُدَنَّه عَلَيَّ دِينه، وَإِن كان نصرانيا أو يهوديا ليَرُدنَّه عَلَيَّ سَاعِيه، وأَمَّا اليوم فَمَا كُنت أَبَايِعُ مِنكُم إِلاَّ فُلاَنا وفُلاَناً».
[صحيح] - [متفق عليه]

Hudhayfah ibn al-Yamān (may Allah be pleased with him) reported: The Messenger of Allah (may Allah's peace and blessings be upon him) told us two Hadīths. I have seen one fulfilled, and I am waiting for the other. He told us: "A man will go to sleep and honesty will be taken out of his heart and only a trace of it will remain, like the trace of a dark spot. And a man will go to sleep again and the honesty will decrease further still, so its trace will resemble that of a blister, as when an ember is dropped on one's foot and makes it swell. One would see it swollen but there would be nothing inside it." He took a small stone and rolled it on his leg. He then continued: "People will be carrying out their trades, but there will hardly be a trustworthy person. It will be said: 'In such-and-such tribe there is an honest man.' And later it will be said about some man: 'What a wise, polite, and strong man he is,' even though he will not even have faith equal to a mustard seed in his heart." No doubt, there was a time when I did not mind dealing with any of you, because if he was a Muslim, his Islam would compel him to pay me what is due to me, and if he was a Christian, the Muslim official would compel him to pay me what is due to me, but today I will only deal with this person and that person from you.
[Authentic hadith] - [Narrated by Bukhari & Muslim]

Explanation

The Hadīth states that honesty shall be gradually uprooted from people’s hearts. As the first part of honesty leaves, the heart loses its light leaving a faint trace of darkness, different in color from the color preceding it. Further loss of honesty leaves a substantial irremovable mark, except for after a period of time. This darkness is denser than the previous one. The Prophet (may Allah’s peace and blessings be upon him) likened the elimination of the deep-rooted light from the heart and its replacement with darkness to an ember rolling down a man’s leg and leaving a mark on it. The ember rolls away, but the blister remains. The Prophet (may Allah’s peace and blessings be upon him) picked up a small stone and rolled it over his leg to make his point clearer. After the sleep during which honesty is removed, people who are trading will rarely be willing to return the things that they were entrusted with, let alone actually return them in reality. Due to such rarity, very few people will be labeled as honest and trustworthy. You may even see a man who is hardworking and intelligent, but there will be no grain of faith in his heart, let alone honesty, which is a branch of faith. The narrator reflected on a past time in his life when he would carry out transactions with anyone, without caring who they were, because he was certain that honesty was flourishing and people would fulfill their promises. Fully trusting people’s honesty, he used to trade with anyone, without investigating their situation. Later, however, when honesty disappeared, except in rare cases, he would only conduct transactions with those he knows and trusts.