heart. I am confident that such are also the sentiments of your Holiness toward me; if you love me as I love you, no distance can separate us. Thanks be, then, to that grain of mustard-seed, which was, indeed, in appearance, small and contemptible, but which, spreading afar its branches, sprung all from one root, has formed a shelter for all the birds of the air! Thanks be, also, to that leaven which, hidden in three measures of meal, has joined in one unity the whole of mankind. Thanks, again, for that little stone, broken without effort from the mountain, that has covered the whole surface of the earth, which has so extended itself as to make out of the human race, now united, the body of the universal Church, which has even made distinctions of the parts serve to rivet the bonds of unity.
"Hence it follows, that we are not far from you, since we are one in Him who is everywhere. Let us give Him thanks for having so destroyed all enmities that, in his humanity, there is in the world but one fold and one flock, under one shepherd, which is Christ himself. Let us always remember these warnings of the Preacher of truth: 'Endeavouring to keep the unity of the Spirit in the bond of peace.' (Ephes. 4:3.) 'Follow peace with all men, and holiness, without which no man shall see the Lord.' (Heb. 12:14.) The same said to his disciples, 'If it be possible, as much as lieth in you, live peaceably with all men.' (Romans 12:18.) He knew that the good could have no peace with the wicked; therefore, he says at once, as you know, 'If it be possible.'"
Let us pause a moment over this part of Gregory's letter. Is it not remarkable that, in speaking of the Church as one flock under the guidance of a single pastor, which is Jesus Christ, he expressly says that Jesus Christ is the only visible pastor of the Church, or, which is the same thing, that he is the pastor in his humanity,