63 Stand aside then, all godless unbelievers, for whom the divine mystery is too great, who do not know that Christ wept not for Himself but for us, to prove the reality of His assumed manhood by yielding to the emotion common to humanity: who do not perceive that Christ died not for Himself, but for our life, to renew human life by the death of the deathless God: who cannot reconcile the complaint of the deserted with the confidence of the Ruler: who would teach us that because He reigns as God and complains that He is dying, we have here a dead man and the reigning God. For He Who dies is none other than He Who reigns, He Who commends His spirit than He Who gives it up: He Who was buried, rose again: ascending or descending He is altogether one.
Source: On the Trinity (New Advent)