Not that I have already obtained all of this...

Any notion of our own attainments which could lead us for a moment to speak of what we are with any degree of complacency is only rubbish. For my own part, I desire constantly to stand at the foot of the cross, with no other testimony concerning myself than this-

“I the chief of sinners am, 
But Jesus died for me.” 

Personal holiness is to be sought for with all our hearts, and it can only be obtained by faith in Jesus Christ — by simple faith in him. He gives us power to overcome sin through his precious blood; but, depend upon it, the moment we conclude that we have overcome, and can say what Paul could not say — that he had attained and was already perfect — we are in an evil case. Our pride has overpowered our judgment, and we are fools.

-Spurgeon