AL ANFAAL — Ayat 27
يَا أَيُّهَا الَّذِينَ آمَنُواْ لاَ تَخُونُواْ اللّهَ وَالرَّسُولَ وَتَخُونُواْ أَمَانَاتِكُمْ وَأَنتُمْ تَعْلَمُونَ
O you who have believed, do not betray Allah and the Messenger or betray your trusts while you know [the consequence].
Tafsir Ibnu Katsir
يأَيُّهَا الَّذِينَ ءَامَنُواْ لاَ تَخُونُواْ اللَّهَ وَالرَّسُولَ وَتَخُونُواْ أَمَـنَـتِكُمْ وَأَنتُمْ تَعْلَمُونَ - وَاعْلَمُواْ أَنَّمَآ أَمْوَلُكُمْ وَأَوْلَـدُكُمْ فِتْنَةٌ وَأَنَّ اللَّهَ عِندَهُ أَجْرٌ عَظِيمٌ
27. O you who believe! Betray not Allah and His Messenger, nor betray knowingly your Amanat (things entrusted to you). 28. And know that your possessions and your children are but a trial and that surely, with Allah is a mighty reward.  The Two Sahihs mention the story of Hatib bin Abi Balta`ah. In the year of the victory of Makkah he wrote to the Quraysh alerting them that the Messenger of Allah intended to march towards them. Allah informed His Messenger of this, and he sent a Companion to retrieve the letter that Hatib sent, and then he summoned him. He admitted to what he did. `Umar bin Al-Khattab stood up and said, â€O Allah's Messenger! Should I cut off his head, for he has betrayed Allah, His Messenger and the believers'' The Prophet said,