He revised existing laws and enacted some new ones, for example, on extravagance, on adultery and chastity, on bribery, and on the encouragement of marriage among the various classes of citizens. Having made somewhat more stringent changes in the last of these than in the others, he was unable to carry it out because of an open revolt against its provisions, until he had abolished or mitigated a part of the penalties, besides increasing the rewards © and allowing a three years’ exemption from the obligation to marry after the death of a husband or wife. When the knights even then persistently called for its repeal at a public show, he sent for the children of Germanicus and exhibited them, some in his own lap and some in their father’s, intimating by his gestures and expression that they should not refuse to follow that young man’s example. And on finding that the spirit of the law was being evaded by betrothal with immature girls and by frequent changes of wives, he shortened the duration of betrothals and set a limit on divorce.