Mortification from a self-strength, carried on by ways of self-invention, unto the end of a self-righteousness is the soul and substance of all false religion... The Spirit alone is sufficient for this work. All ways and means without Him are useless. He is the great efficient. He is the One who gives life and strength to our efforts.
Author: John Owen Source: Temptation and Sin, 1958, p. 7, 16.
The Scripture abounds in commands and cautions for our utmost diligence in our search and inquiry as to whether we are made partakers of Christ or not, or whether His Spirit dwells in us or not--which argue both the difficulty of attaining an assured confidence herein, as also the danger of our being mistaken, and yet the certainty of a good issue upon the diligent and regular use of means to that purpose.