“I think it is appropriate at this point for me to admonish both the House managers and the president's counsel in equal terms to remember that they are addressing the world's greatest deliberative body," the usually reserved Roberts said. He told them that description of the Senate stemmed from a 1905 trial when a senator objected to the word “pettifogging,” because members should "avoid speaking in a manner and using language that is not conducive to civil discourse.”