You can't con people, at least not for long. DJTrump. Money Magazine

it was the only magazine at the doctor's office I thought might be interesting and they had a quote about money from every President. Most of them lofty, inspirational, etc. The one in the subject line is the one they had for Trump.

The whole quote is even better. From his book.

"You can't con people, at least not for long. You can create excitement, you can do wonderful promotion and get all kinds of press, and you can throw in a little hyperbole. But if you don't deliver the goods, people will eventually catch on ...

He's past his sell by date.