"Therefore, O ye that embark in the service of God, see that ye serve him with all your heart, might, mind and strength, that ye may stand blameless before God at the last day."
"I bear you my witness that when we give our all in priesthood service, the Lord will give us all the courage we need and the assurance that he goes with us and that angels will bear us up."
"I know that the promise of angels to bear us up is real."
For God to give you increased power, you must go in service and faith to your outer limits. "It is like building muscle strength. You break down your muscles to build them up."
"Increased spiritual strength is a gift from God, which he can give when we push in his service to our limits. Through the power of the Atonement of Jesus Christ our natures can be changed. Then our power to carry burdens can be increased more than enough to compensate for the increased service we will be asked to give."
Testing one's limits in priesthood service is required to qualify God's children to live with him forever.
"I testify that we are called of God. This is his true church and his everlasting priesthood. President Thomas S. Monson holds all the keys of the priesthood in the world."