Note the word "ability". Ability is a term of untapped power. For example, one may have the ability to accomplish a thing, but out of lack of motivation and an undisciplined spirit, the ability never manifests itself as an accomplishment. This also applies to the believer in terms of rejoicing, and brings me to my second point of this divine command. Since it is a command to be obeyed, it involves a desire of the will. The Christian has the ability and the resources to rejoice in the Lord, but out of stubbornness, laziness, unbelief, or a lack of discipline, which are all manifestations of an unwilling heart, we can come into disobedience in this command. If the believer would by any means doubt the seriousness of such a command, the Holy Spirit, through the apostle, lays great importance on this command by repeating it.Why is it of great importance that the Christian rejoice always in the Lord? Here are two reasons I would like to suggest.
First, there is nothing more confounding to human nature, opposed to the wisdom of the world, and frustrating to the wiles of the devil than the ability to have joy while everything around you is being brought to nothing. The societal ideal of happiness and joy is based solely on a materialistic, circumstantial basis. This is why true joy eludes those who are perishing, and even some of God's elect. When hopes and dreams are built out of castles of sand, the destructive waves of tragedy leave its inhabitants left with nothing but the bitter taste of the salty wave that just destroyed their life's selfish pursuits. It proved that their reliance on such things was indeed futile.
However, when the world witnesses a saint in suffering, she has the chance to encounter the glory of God. The saint must forever and always remember this one thing- that the glory of God is always at stake in his or her life, every second and every hour. One will either glorify God in his suffering of unfair circumstance or he will slander Him. The watching world needs to behold the obedient saint in the midst of his suffering. They need to see him with his head held high and his arms lifted in praise, and hear from the utterance of his lips, "though He slay me, I will yet praise him, for the Lord gives, and the Lord takes away, but blessed be the name of the Lord. For this one thing I know, and of this one thing I am certain, that I have entrusted my life, my soul, and my all, into the hands of the living God, and I shall not be moved. For the same hand that holds the universe in its expanse is the same hand that has gripped my soul with a grasp of grace and love, and I will never be snatched away." Such words, reflected from an attitude of humble reliance, dumbfounds a world that thinks it deserves an easy, trouble free life.
Secondly, it causes the saint to realize the only source of true joy in life. In our times of greatest distress, things that we thought were once so important and things that we thought brought delight to our soul all of the sudden have no ability to sustain our heart with strength, or fill our soul with joy. It is in these times that we come to realize that the only thing that will satisfy our hungry soul, quench the thirst of our dry and cracking heart, and strengthen our legs for the journey is the joy of the Lord.
We always have occasion for rejoicing, which is why it is to be a constant thing with a child of God. This is why we are to do it "always." In destitute and in loneliness. In heartache and sorry. In betrayal and rejection. In being misunderstood and mistreated. In loss, tragedy, and uncertainty. In all of this we are to rejoice.
At times, the walk of faith is a blind dance with Omniscience. During this time we are to rest our head in the bosom of loving providence, and let the Lord of our steps lead the way. All the while,rejoicing in the closeness of His embrace and the thrill of being carried by the same hands that were pierced for us.
Rejoicing is a choice, not an emotion. It is a deep satisfaction in God that comes through the knowledge of Him and His Son. It is an unwavering delight in the infinite flow of the divine, and a perpetual drinking of the deep wells of sovereignty. It is an ever growing fascination and unguarded wonder of the multifaceted, eternal character of God.
The scripture declares that we are more than conqueror through Christ, and that nothing in all of God's created order can separate us from His passionate love. One who has been promised such power and love has no reason to hang his head or be embittered or overcome by his present afflictions. For I have never seen the victor with his head down and his arms hanging. nor have I never witnessed the one who is loved unconditionally with no reason for hope.Rather, the Lord holds his arms high and keeps his face in the light of divine warmth, as radiant joy infiltrates the dark corridors of the heart.