Sunan an-Nasa'i 1418
سنن النسائي#1418SahihIt was narrated that Jabir bin Samurah said:"The Prophet (ﷺ) used to deliver the khutbah standing, then he would sit, then he would stand up and recite some Verses and remember Allah, the Mighty and Sublime. His khutbah was moderate in length and his prayer was moderate in length
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahHasan
Al-AlbaniHasan
Zubair Ali ZaiSahih
In-book reference: 14:55