When one tries to increase his knowledge by doing mental gymnastics over books without waiting upon God and looking to the guidance of the Holy Spirit, his soul is plainly in full swing. This will deplete his spiritual life. Because the fall of man was occasioned by seeking knowledge, God uses the foolishness of the cross to "destroy the wisdom of the wise.
Watchman NeeThe attitude of saints toward their possessions most assuredly signifies whether they continue to preserve their self life or whether they have consigned it to death.
Watchman Nee