After 17 years in the oilfields (good money) it crashed and burned in 1983. Sold my house and airplane and went back to university a second time. I became a pharmacist. I knew I would have a good paying job the day I graduated. It was worth the effort. It is just plain damn common sense to pursue a degree that pays well.
The cardiologist, a bit surprised walked over to where the mechanic was working. The mechanic straightened up, wiped his hands on a rag and asked, "So Doc, look at this engine. I opened its heart took the valves out, repaired or replaced anything damaged, and then put everything back in, and when I finished, it worked just like new. So how is it that I make $48,000 a year and you make $1.7 million when you and I are doing basically the same work?
The cardiologist paused, leaned over, and then whispered to the mechanic, "Try doing it with the engine running."