( CNN) Whether you relish President Donald Trump’s antagonistic vogue or are overcome with suspicion where reference is tweets, one thing is clear: Trump never backs down in a rivalry, and he is not likely to start in 2018.

In fact, the celebrity-mogul-turned-President items his fighting logic in a chapter called “Revenge” in his 2007 record, “Think Big and Kick Ass in Business and Life.”

“I learned it in high school, you’ve got to touched a bully really hard, really strongly, right between the eyes, ” Trump writes and relevant a narrative about his fame archnemesis Rosie O’Donnell to show his message. ( Here’s a timeline of their long-running feud ).~ ATAGEND