为自己加油

Try to translate the following into Chinese .5.These purposes were: first, to form a more perfect Union; second, to establish justice; third, to insure domestic peace; fourth, to provide for the blessings of liberty to themselves and their posterity.

这些目标是：第一，组成一个更完善的联合政府；第二，建立司法公正；第三，确保国内和平；第四，确保自由赐予他们自己及其后代。