=70.= His first object was to improve the condition of the poor debtors, not merely by alleviating present distress, but by removing its causes. To this end he enacted a bankrupt law, canceling all contracts in which the land or person of a debtor had been given as security; and to avoid such evils in the future, he abolished slavery for debt. The rate of interest was abated, and the value of the currency lowered, so that the debtor gained about one-fourth by paying in a depreciated medium. Above all, provision was made against a recurrence of the same distress, by requiring every father to teach his son some mechanical art. If this was neglected, the son was freed from all responsibility for supporting his father in old age. Foreigners were not allowed to settle in the country, unless skilled in some form of industry which they engaged to carry on. =71.= The chief design of the new constitution was to set up a free and moderate government, instead of the oppressive tyranny of the nobles. Solon divided the people into four classes, according to their possessions. The poorest were permitted to vote, but not to hold office. The upper three classes alone were subject to direct taxation, which fell with greatest weight upon the wealthiest. The code of Draco was repealed. Instead of severe punishments, Solon introduced the fear of shame and the hope of honor as preventives of crime. Among the rewards for faithful citizenship were crowns presented by senate or people; public banquets in the hall of state; statues in the Agora or the streets; places of honor in the theater or popular assembly. As persons distinguished by these various honors were constantly seen by the youth of Athens, their ambition was kindled to deserve similar rewards. =72.= A new legislative Council of Four Hundred was formed, consisting of one hundred members from each tribe, to be chosen yearly by a free vote in the popular assembly. The source of power was in the assembly of all the people, which elected the archons and councilors, accepted or rejected the laws proposed by the latter, and judged the former at the end of their term of office. Popular courts of law were also instituted, to which a criminal might appeal when condemned by another tribunal. The Council of the Areopagus continued to be the highest court in the state, and was especially charged with the maintenance of religion and morals. Originally it included all the nobles, but Solon restricted it to those who had worthily discharged the duties of the archonship.