Jami` at-Tirmidhi 2752
جامع الترمذي#2752SahihNarrated 'Abdullah bin 'Amr:that the Messenger of Allah (ﷺ) said: "It is not lawful for a man to separate two people except with their permission
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan Sahih
Al-AlbaniHasan Sahih
Bashar Awad MaaroufHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 43:22