It was narrated that az-Zubair (رضي الله عنه) said:
I heard the Messenger of Allah (ﷺ) say one day: `Paradise is due to Talhah,` when he did what he did for the Messenger of Allah (ﷺ)(i.e., when Talhah leaned down and the Messenger of Allah (ﷺ) climbed on his back.)