God makes your marriage indissoluble. ‘What therefore God has joined together, let no man put asunder’ (Matthew 19:6). God joins you together in marriage; it is His act, not yours. Do not confound your love for one another with God. God makes your marriage indissoluble, and protects it from every danger that may threaten it from within and without; He wills to be the guarantor of its indissolubility.

The Marvelous Power Of The Cross | Pope Leo The Great
Our understanding, which is enlightened by the Spirit of truth, should receive with purity and freedom of heart the glory of the cross as it shines in heaven and on earth. It should see with inner vision the meaning of the Lord's words when he spoke of the imminence...