7 But there are some rich women, and wealthy in the fertility of means, who prefer their own wealth, and contend that they ought to use these blessings. Let them know first of all that she is rich who is rich in God; that she is wealthy who is wealthy in Christ; that those are blessings which are spiritual, divine, heavenly, which lead us to God, which abide with us in perpetual possession with God. But whatever things are earthly, and have been received in this world, and will remain here with the world, ought so to be contemned even as the world itself is contemned, whose pomps and delights we have already renounced when by a blessed passage we came to God, John stimulates and exhorts us, witnessing with a spiritual and heavenly voice.
“Love not the world,” says he, “neither the things that are in the world. If any man love the world, the love of the Father is not in him. For all that is in the world, is lust of the flesh, and the lust of the eyes, and the pride of life, which is not from the Father, but is of the lust of the world. And the world passes away, and the lust thereof: but he that does the will of God abides for ever, even as God also abides for ever.” Therefore eternal and divine things are to be followed, and all things must be done after the will of God, that we may follow the divine footsteps and teachings of our Lord, who warned us, and said, “I came down from heaven, not to do my own will, but the will of Him that sent me.” But if the servant is not greater than his lord, and he that is freed owes obedience to his deliverer, we who desire to be Christians ought to imitate what Christ said and did.
It is written, and it is read and heard, and is celebrated for our example by the Church's mouth, “He that says he abides in Christ. ought himself also so to walk even as He walked.” Therefore we must walk with equal steps; we must strive with emulous walk. Then the following of truth answers to the faith of our name, and a reward is given to the believer, if what is believed is also done.
Source: The Treatises of Cyprian (New Advent)