The Mechanic’s Lesson: A Tale of Engine Expertise

While working to remove a cylinder head from a Harley motorcycle’s engine, a mechanic noticed a familiar face in his shop—it was a heart surgeon.
The heart surgeon had visited the shop while waiting for the service manager to check his bike. At that moment, the mechanic called out to the surgeon, “Hey, Doc, can I ask you something?”
Surprised, the surgeon walked over to where the mechanic was working on the motorcycle. The mechanic stood up, wiped his hands on a rag, and inquired, “So, Doc, take a look at this engine. I open up its heart, take out and fix the valves, put them back in, and once I’m done, it runs perfectly again. So why am I paid so little while you earn so much, even though we’re doing similar kinds of work?”
The surgeon paused, grinned, leaned in, and quietly told the mechanic,

