This is a great secret. Here are the words of St. Ambrose: "The mouth of Jesus on the cross has become our mouth, and with it we speak to the Father to appease his wrath; His Heart pierced by the lance has become our heart and with it we love the Father." Yes, Jesus came upon this earth for that alone. "I am come to cast fire (the fire of love) on the earth; and what will I, but that it be kindled?"
Dom Columba Marmion
Union with God: Letters of Spiritual Direction