He knew that weather, fog, rain, snow and flooding rivers played a great part in the fortunes of war.

Might not the kindly fog, encircling them with its protection, be a good omen?
"Chance favors us," he said to St.Clair and Langdon, as the fog grew thicker and thicker, almost veiling their faces from one another.
"I told you that the optimists usually had their way," said Happy.
"We persisted and found that orchard of apples.

We persisted and found that fat porker.

Now, I have been wishing for this fog, and I kept on wishing for it until it came." Harry laughed.
"You do make the best of things, Happy," he said.
The fog thickened yet more, but the Invincibles made their sure way through it, the different portions of the army marching in perfect coordination.

Gordon led three divisions of infantry, supported by a brigade of cavalry across the Shenandoah River and marched east of Fisher's Hill.