In the apostles of our Lord there was nothing to bring glory to themselves. It was evident that the success of their labors was due only to God. The lives of these men, the characters they developed, and the mighty work that God wrought through them, are a testimony to what He will do for all who are teachable and obedient.
He who loves Christ the most will do the greatest amount of good. There is no limit to the usefulness of one who, by putting self aside, makes room for the working of the Holy Spirit upon his heart, and lives a life wholly consecrated to God...
– The Desire of Ages, pg. 250