Bede

And he said, "Here I am," etc. Let the diligent reader note that the same allegorical interpretation is not always the same as the order of historical truth but alternates in a similar, unequal, or contrary manner. In a similar way, indeed, Samuel's simple youth and Eli's sluggish blindness signify the humility of the Lord Savior and the stubborn foolishness of the Jews. Unequally, however, the dubious words of Samuel saying, "Here I am, for you called me," prefigure the true and certain incarnation of Christ. …

Commentary on Samuel ↗