Sometimes they're just simple disagreements, while other times they're awful battles. (gottman.com)
We have been hardwired by the survival imperatives of evolution to pay close attention to conflict in all its forms, from simple disagreement to outright violence. (bookpage.com)
But there is no plausible basis for opposition other than simple disagreement with his judicial approach or resentment about the fact that the Republicans refused to confirm Judge Merrick Garland (who is, of course, also eminently qualified to serve on the Court). (firstthings.com)