President Obama on Wednesday turned a flap over his commencement speech at Arizona State University into a joke — then a lesson about never being satisfied with one’s accomplishments.

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“I learned to never again pick another team over the Sun Devils in my NCAA bracket,” he said, referring to the school’s basketball team. “It won’t happen again.”

“President [Michael] Crow and the board of regents will soon learn all about being audited by the IRS,” he joked.

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“I come to embrace it [the suggestion that he hasn't achieved enough in life], to heartily concur, to affirm that one’s title — even a title like president — says very little about how well one’s life has been led,” he said. “That no matter how much you’ve done, or how successful you’ve been, there’s always more to do, more to learn, more to achieve.”

The helicopter I have now seems perfectly adequate to me. Of course, I’ve never had a helicopter before, so maybe I’ve been deprived and I didn’t know it.

President Barack Obama, at the Fiscal Responsibility Summit on February 23, in response to a comment from John McCain about military procurement and a new fleet of Marine One helicopters costing more than Air Force One.