Hence, He proceeds to strengthen their weakening faith by giving sight to a blind man because of his strong faith. If faith is necessary to understand the meaning of Lenten penance, how much more necessary is charity, charity for God, charity for neighbour (Epistle). "For where there is love, there is no labour."
The Introit, Prayer and Gradual inspire confidence in God as we are about to "go up" with Him. The Offertory expresses gratitude for faith and pleads for its increase. The Communion reflects on the charity of God as our model.