One important aspect which I feel is often not given enough emphasis by the Muslim ummah, is the love that the Holy Prophet Muhammad (saw) had for the Messiah. He (saw) loved Hadhrat Mirza Ghulam Ahmad(as) so much, to the extent where he (saw) declared the coming of the messiah, as his own coming. The Holy Prophet(saw) did the commentary of the verse of the Qur'an of surah Al Jumah to tell us this point. Hadhrat Abu Huraira(ra) narrated:
While we were sitting with the Prophet (ﷺ) Surat Al-Jumu'a was revealed to him, and when the Verse,** "And He (Allah) has sent him (Muhammad) also to other (Muslims).....' (62.4)** was recited by the Prophet, I said, "Who are they, O Allah's Messenger (ﷺ)?" The Prophet (ﷺ) did not reply till I repeated my question thrice. At that time, Salman Al-Farisi was with us. So Allah's Messenger (ﷺ) put his hand on Salman, saying, "If Faith were at (the place of) Ath-Thuraiya (pleiades, the highest star), even then a man from these people would attain it." (Sahih Bukhari, Volume 6, Book 60, Hadith 420)
Furthermore, the Holy Prophet(saw) said that we should accept the Messiah even if we have to crawl on mountains of ice:
" pledge your allegiance to them even if you have to crawl over the snow, for that is the caliph of Allah, Mahdi." (Ibn Maja Hadith #4084)
Furthermore, the Holy Prophet(saw) stated that one who sees him should convey the salam of the Holy Prophet (saw) to him which further shows the love the Prophet(saw) had for him.There are only two people the Prophet (saw) has said this about. Firstly,Hadhrat Awais al Qarni, and secondly the Messiah and the Mahdi. The Prophet (saw) stated:
" Anyone from among you who sees him, should convey my Salam to him” (Tabarani, Hadith #5040)
In another version the Holy Prophet(saw) stated that I hope I would stay alive long enough to see him which further shows the love the Prophet(saw) had for the one who was to come for the revival of Islam. In another hadith the Prophet(sa) went so far, to state that the Messiah would be buried in my grave.