What does act 4 scene 3 line 30 to 35 mean in the Romeo and Juliet play?

In Act 4, Scene 3, lines 30-35 of Romeo and Juliet, the Friar states, "Holy Saint Francis, be as good as word! / Once more, I say, stop! Who goes so fast? / I met the old man lately in the street, / That comes from Mantua, for he seemed sad, / And I asked him news of Romeo."

In these lines, the Friar is invoking Saint Francis for help and expressing surprise at seeing someone walking quickly. He then recalls meeting an old man from Mantua who appeared sad, and he mentions asking the man for news about Romeo. This suggests that the Friar is concerned about Romeo and is seeking information about him, possibly to help Juliet who awaits news of her loved one.