96.While the Church cannot renounce the exercise of this, her mission, which has for its final end to realize here below the Divine plan and to "re-establish all things in Christ, that are in heaven and on earth" (Ephesians i. 10) her aid, nonetheless, is shown to be indispensable as never before, now that sad experience teaches that external means and human provisions and political expedients of themselves bring no efficacious healing to the ills which affect mankind.