N.

 1 11|       knowledge of the languages, letters, events, customs, and forms
 2 11|         frequent in our times, of letters and institutions, both public
 3 14|    However, such was the state of letters in those times, that not
 4 15|         students of antiquity and letters, but the knowledge of Hebrew
 5 19|         books as so many paternal letters to His own children.~
 6 22|     correct meaning of the Sacred Letters is everywhere daily made
 7 24|        commentators of the Sacred Letters, mindful of the fact that
 8 27|         has told us in the Sacred Letters rather than what an ingenious
 9 30| inexhaustible field of the Divine Letters.~
10 43|        commentators of the Sacred Letters, in no way deterred by difficulties
11 49|         to men through the Sacred Letters, might daily be more deeply
12 51|       spread copies of the Sacred Letters, especially of the Gospels,
13 53|           knowledge of the Sacred Letters and imbue them with that
14 57|           and meditate the Sacred Letters, especially the New Testament,
15 61|          expounding of the Divine Letters; and, through their assiduous