Scripture points out this difference between believers and unbelievers; the latter, as old slaves of their incurable perversity, cannot endure the ro… - John Calvin

Pagan philosophers set up reason as the sole guide of life, of wisdom and conduct; but Christian philosophy demands of us that we surrender our reason to the Holy Spirit; and this means that we no longer live for ourselves, but that Christ lives and reigns within us (Rom 12:1; Eph 4:23; Gal 2:20).

We take nothing from the womb but pure filth [meras sordes]. The seething spring of sin is so deep and abundant that vices are always bubbling up form it to bespatter and stain what is otherwise pure.... We should remember that we are not guilty of one offense only but are buried in innumerable impurities.... all human works, if judged according to their own worth, are nothing but filth and defilement.... they are always spattered and befouled with many stains.... it is certain that there is no one who is not covered with infinite filth.

It is not lawful for you to make a compromise with God: to try to fulfill part of your duties and to omit others at your own pleasure.