flattery will get you nowhere
idiomDefinition of flattery will get you nowhere
—used to say that praise or flattery will not persuade someone to do what is wanted —often used as a joking response to a flattering comment "I'm quite ravenous a good majority of the time, and you cook really, really well. … " "Flattery will get you nowhere," I grinned, thrilled with the compliment.— Jennifer DeLucy