正义的源泉 meaning in English

fountain of all justices

Along the way , americans produced a great middle class and security in old age ; built unrivaled centers of learning and opened public schools to all ; split the atom and explored the heavens ; invented the computer and the microchip ; and deepened the wellspring of justice by making a revolution in civil rights for african americans and all minorities , and extending the circle of citizenship , opportunity and dignity to women
这一进程中，美国形成了一个庞大的中产阶级和老年人保险制度；建立了无与伦比的学术中心；为全民开办了公立党校；分裂了原子，探测了太空；发明了计算机和集成电路；掀起了一场非裔美国人和少数民族的民权革命运动，深掘了正义的源泉；扩大了妇女公民权利和义务、就业机会和人身尊严。