With the greatest propriety does Paul enjoins us to contemplate this power in Christ; for in us it is hitherto concealed. "My strength," says he, "is made perfect in weakness." (2 Corinthians 12:9.) In what do we excel the children of the world but in this, that our condition appears to be somewhat worse than theirs? Though sin does not reign, it continues to dwell in us, and death is still strong. Our blessedness, which lies in hope, is not perceived by the world. The power of the Spirit is a thing unknown to flesh and blood. A thousand distresses, to which we are daily liable, render us more despised than other men.
Christ alone, therefore, is the mirror in which we can contemplate that which the weakness of the cross hinders from being clearly seen in ourselves. When our minds rise to a confident anticipation of righteousness, salvation, and glory, let us learn to turn them to Christ. We still lie under the power of death; but he, raised from the dead by heavenly power, has the dominion of life. We labor under the bondage of sin, and, surrounded by endless vexations, are engaged in a hard warfare, (1 Timothy 1:18;) but he, sitting at the right hand of the Father, exercises the highest government in heaven and earth, and triumphs gloriously over the enemies whom he has subdued and vanquished. We lie here mean and despised; but to him has been "given a name" (Philippians 2:9,) which angels and men regard with reverence, and devils and wicked men with dread. We are pressed down here by the scantiness of all our comforts: but he has been appointed by the Father to be the sole dispenser of all blessings. For these reasons, we shall find our advantage in directing our views to Christ, that in him, as in a mirror, we may see the glorious treasures of Divine grace, and the unmeasurable greatness of that power, which has not yet been manifested in ourselves.Commentary on Ephesians - John Calvin