Seek knowledge from reliable sources; be mindful of Allah’s laws in all matters related with marriage etc.; respect towards scholars and their opinions etc..

This hadith discusses the permissibility of remarriage for a widow whose husband has passed away. It was narrated from Sulaiman bin Yasar that 'Abdullah bin 'Abbas and Abu Salamah bin 'Abdur-Rahman disagreed concerning a woman who gave birth one day after her husband died. 'Abdullah bin 'Abbas said that she should wait for the longer of the two periods while Abu Salamah said that when she has given birth it becomes permissible for her to remarry. When they were unable to come to an agreement they sent Kuraib, the freed slave of Ibn 'Abbas, to Umm Salamah to ask her about it. He came back with news that Umm Salama mentioned this case to the Messenger of Allah and he said "It has become permissible for you to marry". This hadith teaches us that even in difficult situations such as this one where there is disagreement between scholars on what is permissible or not; we can always turn towards our beloved prophet's teachings as guidance on how we should act in such cases.