Isaiah 64:6 But we are all as an unclean thing, and all our righteousnesses are as filthy rags;
Romans 7:18 For I know that in me (that is, in my flesh,) dwelleth no good thing: for to will is present with me; but how to perform that which is good I find not.
We don't do good works "on our own initiative". It's Christ working through us. Catholics need desperately to stop attempting to take credit from Christ and giving it to man.
Using scripture by one Christian to bash other Christians which include Catholics.
Such was condemned at the Council of Orange:
Semi-Pelagianism was condemned at the Council of Orange in 529.