Yes, that is exactly what I am presenting - that man does/can do nothing for it - and that is what makes it precisely by grace. The method He ordained was to give it freely as a gift, through Christ, to those He chose for it. For those so chosen, there is no requirement imposed upon them to retain it - again, it is solely a gift - and this is so because all requirements of salvation had been fully satisfied by Christ as Savior, and they justified by Him.
I am in complete agreement with what
@Cameron143 posted above.
[Tit 3:5 KJV]
5
Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost;
[Eph 2:8 KJV]
8 For
by grace are ye saved through faith; and that not of yourselves: [it is]
the gift of God: