Be honest, and avoid making unrealistic promises.
"I don't want anyone going out saying I am the best urologist or making unrealistic promises," he says.
Mr. Orban himself has made some alarmingly nationalist statements and unrealistic economic promises.
His critics also say he has made too many unrealistic promises to nations around the world about programs to combat the drug trade and other international crimes.
They can see progress if they avoid unrealistic promises and cosmetic solutions.
This cynical electorate, ironically enough, can exact a terrible price for breaking the unrealistic promises it demands.
It's a long list of unrealistic promises.
In the past, he said, unrealistic promises had been made in order to quiet parents.
But unrealistic promises - including a pledge to get sanctions lifted within 100 days - undermined his credibility.
Douglas argued that the Labour Party's approach to economic policy was fragmented and based on unrealistic promises.