2:108
أَمْ تُرِيدُ ونَ أَن تَسْـَٔلُ وا۟ رَسُولَ كُمْ كَ مَا سُئِلَ مُوسَىٰ مِن قَبْلُ وَ مَن يَتَبَدَّلِ ٱلْ كُفْرَ بِ ٱلْ إِيمَٰنِ فَ قَدْ ضَلَّ سَوَآءَ ٱل سَّبِيلِ
Or do you intend to ask your Messenger as Moses was asked before? And whoever exchanges faith for disbelief has certainly strayed from the soundness of the way.
33:52
لَّا يَحِلُّ لَ كَ ٱل نِّسَآءُ مِنۢ بَعْدُ وَ لَآ أَن تَبَدَّلَ بِ هِنَّ مِنْ أَزْوَٰجٍ وَ لَوْ أَعْجَبَ كَ حُسْنُ هُنَّ إِلَّا مَا مَلَكَتْ يَمِينُ كَ وَ كَانَ ٱللَّهُ عَلَىٰ كُلِّ شَىْءٍ رَّقِيبًا
Not lawful to you, [O Muhammad], are [any additional] women after [this], nor [is it] for you to exchange them for [other] wives, even if their beauty were to please you, except what your right hand possesses. And ever is Allah, over all things, an Observer.
4:2
وَ ءَاتُ وا۟ ٱلْ يَتَٰمَىٰٓ أَمْوَٰلَ هُمْ وَ لَا تَتَبَدَّلُ وا۟ ٱلْ خَبِيثَ بِ ٱل طَّيِّبِ وَ لَا تَأْكُلُ وٓا۟ أَمْوَٰلَ هُمْ إِلَىٰٓ أَمْوَٰلِ كُمْ إِنَّ هُۥ كَانَ حُوبًا كَبِيرًا
And give to the orphans their properties and do not substitute the defective [of your own] for the good [of theirs]. And do not consume their properties into your own. Indeed, that is ever a great sin.