The first Gulf War familiarized the American public with the concept of laser guided missiles. You’re probably familiar with how they work: an unmanned aircraft locates a target and “paints” it with a laser beam. Then another aircraft releases a missile which homes in on that location, evading enemy radar by riding low over the contours of the land, until it makes contact with that target, destroying it.
This reminds me of a Bible verse: Thanks be to God, Who gives us the victory. Therefore, be ye steadfast, immovable, always abounding in the work of the Lord, forasmuch as ye know that your labor in the Lord is not in vain. (1 Cor. 15:57-58)
Imagine yourself as that dedicated missile. God has pointed you toward a goal and promised you victory; that your labor of faith will not be vain. Now remain locked on that target, steadfast and immovable in your determination. Envision that dream God has painted upon your soul, cruising through the valleys and rising over the hills, until at last your goal is reached and your victory is won. For if you remain steadfast, your victory will indeed be won, as the Apostle Paul himself testified: God always causes us to triumph in Christ. (2 Cor. 2:14)