Luther's Hymn, _Eine feste Burg ist unser Gott,_ he calls "God Almighty's grenadier-march." On joining battle, he audibly utters, with bared head, some growl of rugged prayer, far from orthodox at times, but much in earnest: that lifting of his hat for prayer, is his last signal on such occasions.

He is very cunning as required, withal; not disdaining the serpentine method when no other will do.

With Friedrich Wilhelm, who is his second-cousin (Mother's grand-nephew, if the reader can count that), he is from of old on the best footing, and contrives to be his Mentor in many things besides War.

Till his quarrel with Grumkow, of which we shall hear, he took the lead in political advising, too; and had schemes, or was thought to have, of which Queen Sophie was in much terror.
A tall, strong-boned, hairy man; with cloudy brows, vigilant swift eyes; has "a bluish tint of skin," says Wilhelmina, "as if the gunpowder still stuck to him." He wears long mustaches; triangular hat, plume and other equipments, are of thrifty practical size.

Can be polite enough in speech; but hides much of his meaning, which indeed is mostly inarticulate, and not always joyful to the by-stander.