Read the passage from Beowulf. "My lord, the conquering king of the Danes, bids me announce that he knows your ancestry; also that he welcomes you here to Heorot and salutes your arrival from across the sea. You are free to move forward to meet Hrothgar, in helmets and armour, but shields must stay here and spears be stacked until the outcome of the audience is clear." Which phrase from the passage contains a feature of Anglo-Saxon culture?