Dialogue

1 Craty|      themselves; but these are unknown to us. Less true are those
2 Craty|         for the letter eta was unknown to the ancients; and the
3 Craty|      and that in this vast but unknown period every variety of
4 Craty| intercourse, there is also the unknown or over-ruling law of God
5 Craty|  history; they mark periods of unknown length in which war and
6 Craty|   themselves, because for some unknown reason the motive powers
7 Craty|        by principles which are unknown to us. Hence we see why