Some material is missing here. This is all I have left.

Gross and minute shifts; strategical, dictated by need. (Silence, 57)

Requires sobriety; how ancient sorcerers learned. (Silence, 58)

As a reference point; using as recollecting (Silence, 70)

Recall feelings by intending them back (Silence, 85)

Ancient sorcerers could think in greater depth but were troubled to the same extent. (Silence, 95)