Even though the discples were not aware of it, the presence was with them while they were reviewing the scriptures together on the road. Henceforth, we will catch only a fleeting glimpse of it -- in the study of sacred writings, in other human beings, in liturgy, and in communion with strangers. But these moments remain us that our fellow men and women are themselves sacred; there is something about them taht is worthy of absolute reverence, is in the last resort mysterious, and we will always elude us.