Here is a khutbah by Abu Suhailah 'Umar Quinn (hafdhahullah Ta'ala) that I would regard as one of the all-time classics.
It has been digitally remastered and is now being presented here.
Abu Hurairah (رضي الله عنه) narrated that the Prophet ﷺ said: "Whoever invites to guidance will be rewarded like those who follow him in the guidance are rewarded, and that will not decrease the reward of those who have followed him." [Collected by Imām Muslim
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