Then I heard the voice of the Lord saying, “Whom shall I send?  Who will go for us?” “Here I am,” I said; “send me!” (Is 6:1-2a, 3-8)
https://bible.usccb.org/bible/readings/020622.cfm
In today’s readings we have an abundance. All of them are worthy of being proclaimed and preached: The Call of the Prophet Isaiah, Paul’s handing on of the teaching about the Resurrection Appearances, and the Call of the First Disciples. Whether we are eager-beavers like the Prophet Isaiah (“Send me, send me!”), or feeling a bit overwhelmed like Peter (“Depart from me, Lord, for I am a sinful man”), we can all take hope from Paul who knew that the Call was not merited (“because I persecuted the church of God”) but was simply God’s grace (“by the grace of God I am what I am”). And as Paul concludes: “so we preach and so you believed.”