Philip Yancey tells the story of a friend of his who went swimming in a large lake at dusk:
"As he was paddling at a leisurely pace about a hundred yards off shore, a freak evening fog rolled in across the water. Suddenly he could see nothing: no horizon, no landmarks, no objects or lights on shore. Because the fog diffused all light, he could not even make out the direction of the sett…
by Frank Trotter