Zig Ziglar tells of a thief, a man named Emmanuel Nenger. The year is 1887. The scene is a small neighborhood grocery store. Mr. Nenger is buying some turnip greens. He gives the clerk a $20 bill. As the clerk begins to put the money in the cash drawer to give Nr. Nenger his change, she notices some of the ink from the $20 bill is coming off on her fingers which are damp from the turnip greens. She looks at Mr. Nenger, a man she has known for yea…