Writings · early church · 4th–5th century · 137 / 820
NPNF1-03. On the Holy Trinity; Doctrinal Treatises; Moral Treatises
St. Augustine · early-church-fathers
That there is yet another and a more manifest trinity to be found in the mind of man, viz. in his memory, understanding, and will.
Book X.
In which there is shown to be another trinity in the mind of man, and one that appears much more evidently, viz. in his memory, understanding, and will.
Source: npnf103.xml