The mass on the world -- Introduction by N.M. Wildiers, S.T.D -- The offering -- Fire over the earth -- Fire in the earth -- Communion -- Prayer -- Christ in the world of matter -- The picture -- The monstrance -- The pyx -- The spiritual power of matter -- Hymn to matter -- The presnce of God in the world -- Humanity in progress -- The meaning of human endeavour -- In the total Christ -- Sources.