For the great feast of the Ascension, Pontifications gives us St. Leo the Great’s famous homily (which provides a key statement in the Catechism of the Catholic Church): “And so our Redeemer’s visible presence has passed into the sacraments.”

The translation in the CCC (n. 1115), by the way, is slightly different (and more precise): “what was visible in our Savior has passed over into his mysteries.”