Will-power or any other is gained by practice ().
D.: Is success not dependent on Guru’s Grace?
M.: Yes, it is. Is not your practice itself due to such Grace? The fruits are the result of the practice and follow it automatically. There is a stanza in “Kaivalya” which says, “O Guru! You have been always with me watching me through several reincarnations, and ordaining my course until I was liberated.” The Self manifests externally as Guru when occasion arises; otherwise He is always within, doing the needful.