Shaquille O'Neal speaks at the NCAA's convention keynote luncheon on Wednesday. (LM Otero/AP)

I made a C in Accounting, so I thought I knew what I was doing.

— Shaquille O’Neal explaining how he spent his first $1 million paycheck in about half an hour, mostly on nice cars. Yes, he later ended up in debt, the retired NBA star-turned-entrepreneur told attendees at the NCAA annual convention Wednesday, reports the Chronicle of Higher Education, but learned a few life lessons in the process.

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