Augustine — City of God 22.8
On the miracles which were done so that the world might believe in Christ, and which do not cease to be done when the world has believed. “Why,” they ask, “do those miracles you preach as having been done not happen now?” I could indeed say they were needed before the world believed, so that the world might believe…
For even now miracles are done in his name, whether through his sacraments or through the prayers or memorials of his saints; but they are not made famous with the same clarity so as to be celebrated with as great a glory as those. For the canon of the sacred writings… makes those be recited everywhere… but these, wherever they happen, are known there scarcely by the whole city…
Latin
De miraculis, quae ut mundus in Christum crederet facta sunt et fieri mundo credente non desinunt. Cur, inquiunt, nunc illa miracula, quae praedicatis facta esse, non fiunt? Possem quidem dicere necessaria fuisse, priusquam crederet mundus, ad hoc ut crederet mundus…
Nam etiam nunc fiunt miracula in eius nomine, sive per sacramenta eius sive per orationes vel memorias sanctorum eius; sed non eadem claritate inlustrantur, ut tanta quanta illa gloria diffamentur. Canon quippe sacrarum litterarum… illa facit ubique recitari… haec autem ubicumque fiunt, ibi sciuntur vix a tota ipsa civitate…