This is a great article about using apologetics versus using the Law on sinners and atheists. It’s by Ray Comfort and I think you will enjoy it:

I’m not big on fishing. I far prefer catching. However, there can be no catching without fishing, so I have made a point of studying the skills that make a difference as to whether I catch or fish.
  For example, there is a right and wrong way to bait a hook. Bait should be used to attract fish and at the same time disguise the hook. Fish are not stupid. They aren’t going to bite onto a hook that they can see. So, a wise fisherman baits the hook to hide its deadly barbs. Then, when he sees that a fish is nibbling at the bait, he quickly jerks the line and pulls the hook into the jaw, and reels him in.
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