Be Strong in the Lord!

This is one of the most important passages in all of the Holy Scriptures. In it, Paul speaks of a supernatural strength and a necessary protection against Satan, who is the common & constant enemy of every Christian in the world.

If you're going to endure unto the end and be victorious in your Christian life, you're going to need "A Strength" that comes from outside of yourself, and spiritual armor that you do not naturally possess.
"Finally, my brethren, be strong in the Lord, and in the power of his might."