It is said to stand for “the central part in general, the inside, and so for the interior man as manifesting himself in all his various activities, in his desires, affections, emotions, passions, purposes, his thoughts, perceptions, imaginations, his wisdom, knowledge, skill, his beliefs and his reasonings, his memory and his consciousness.”—Journal of the Society of Biblical Literature and Exegesis, 1882, p. 67.
... Showing that at times the heart, as referred to in both the Hebrew Scriptures and the Christian Greek Scriptures, includes the intellect are instances where it is associated with “thinking” (Mt 9:4), “reasoning” (Mr 2:6), “understanding” (1Ki 3:12; Mr 6:52), and “knowledge” (Pr 15:14).