Allah's Statement: "... Spend of the good things which you have earned ..." Sahih al-Bukhari 2066
Arabic hadith text
حَدَّثَنِي يَحْيَى بْنُ جَعْفَرٍ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، عَنْ مَعْمَرٍ، عَنْ هَمَّامٍ، قَالَ سَمِعْتُ أَبَا هُرَيْرَةَ ـ رضى الله عنه ـ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ "إِذَا أَنْفَقَتِ الْمَرْأَةُ مِنْ كَسْبِ زَوْجِهَا عَنْ غَيْرِ أَمْرِهِ، فَلَهُ نِصْفُ أَجْرِهِ "
Translation
Narrated Abu Huraira
The Prophet (ﷺ) said, "If a woman gives something (i.e. in charity) from her husband's earnings without his permission, she will get half his reward."