When we conquered Egypt without a peace deal (i.e., by force), az-Zubair bin al-ʿAwwam ؓ stood up and said: “O ʿAmr bin al ʿAs, divide the land.” ʿAmr said: “I shall not divide it.” az-Zubair ؓ said: “By Allah, you will divide it as the Messenger of Allah ﷺ divided Khaibar!” ‘Amr said: “By Allah, I shall not divide it until I write to Ameer al-Muʿmineen.” So he wrote to ʿUmar ؓ and ʿUmar wrote back to him (saying}, Leave it so that the third generation (i.e., the offspring of the foetuses currently in their motherʿs wombs) may use the income from it to go out on campaign for the sake of Allah.
الزُّبَيْرُ وَاللهِ لَتَقْسِمَنَّهَا كَمَا قَسَمَ رَسُولُ اللهِ ﷺ خَيْبَرَ قَالَ عَمْرٌو وَاللهِ لَا أَقْسِمُهَا حَتَّى أَكْتُبَ إِلَى أَمِيرِ الْمُؤْمِنِينَ فَكَتَبَ إِلَى عُمَرَ فَكَتَبَ إِلَيْهِ عُمَرُ أَنْ أَقِرَّهَا حَتَّى يَغْزُوَ مِنْهَا حَبَلُ الْحَبَلَةِ