Its great blessing of ALLAHسبحانه و تعالى that he made us humanbeings. he made us muslims. he created us in the ummah of Hazrat Muhammad (Salalahu Alaihi Wasallam).Hazrat Muhammad (Salalahu Alaihi Wasallam) is the best prophet and this ummah is also the best ummah. he's the last Prophet (Salalahu Alaihi Wasallam) and this ummah is also the last ummah.it is said, that heaven is prohibited(Haram) for all Prophets(Anbiya A.S) until and unless our Prophet will enter and it is prohibited(Haram) for all ummah till this ummah will enter into it.
(Quran) 33:40) Muhammad is not a father of any of your men,But he is a messenger of ALLAH and the last of the prophets. And ALLAH has the knowledge of every thing.
(Quran) Surah Al-Ahzab:Ayat 40)