As stated in Thomas More's "Utopia," gold and silver are not regarded as something of importance or worth. The narrator suggests that such materials would create enviousness among the Prince, the Senate and the public. In that matter, he reflects that people could become too delighted by them.
he's trying to convince whomever that letting him become his assistant will bring together something that can only bring good things. Like turning sadness and misery in their home to pure love