This is symbolized by the grief of the Widow whose son was restored to life by Jesus (Gospel) "God visited His people." The Prayer pleads for God to visit His Church "continually" with Divine Life.
We act as the children of this Church, reborn and restored to the "life of the Spirit" by instructing others in the work in which we have been "instructed" and doing "good to all men" (Epistle); by morning and evening prayers to Him Who is "King above all the earth" (Gradual) throughout our entire day.
The Sacramental Life is our defense against diabolical attack (Secret and Communion). A life-long war goes on between the death-dealing flesh and the everlasting spirit; hence the Postcommunion counsels us that, not the "impulses of nature," but rather the "graces of the Eucharist" should dominate our life.