His great flanking movement at the Second Manassas, and his arrival in time to save the army at Antietam, inspired them with awe for a man who could do such things.

They had long since ceased to grumble when he undertook one of his tremendous marches, and they never asked why they were sent to do a thing--they had absolute confidence in the one who sent them to do it.
The great excitement of Jackson in his new uniform passed and the boys resumed their luxurious quarters on the leaves beside the Opequon.
Sherburne, who had left them a while, returned, riding a splendid bay horse, which he tethered to a bush before rejoining them.
"That's not the horse I saw you riding at Antietam, Captain," said Langdon.

"I counted that fellow's ribs, and none show in this one.
It's no business of mine, but I want to know where you got that fine brute." "No, it's none of your business, Tom," replied Sherburne, as he settled himself comfortably, "you haven't anything in the world to do with it, but that's no reason why you shouldn't ask and I shouldn't answer." "Drop the long-winded preliminaries, then, and go ahead." "I got him on a wild ride with the general, General Stuart.

What a cavalryman! I don't believe there was ever such another glutton for adventure and battle.

General Lee wasn't just sure what McClellan meant to do, and he ordered General Stuart to pick his men and go see.
"The general took six hundred of us, and four light guns, and we crossed the Potomac at dawn.