'Sayings like “I love you with all my heart,” and “my heart swelled with joy,” or the reference to someone being “broken-hearted” or “cold hearted” — how much of this poetic language is based on something real?
Are these kinds of sayings references to something biologically true, stated in poetic terms?
This is the question Malone seeks to answer in this film, and the reason he thinks the answer may be important is because he believes the way we see our heart is a reflection of how we view ourselves as human beings.
The ancient Egyptians saw the heart as an organ of truth. And indeed, your heart does seem to be able to tell you the truth about how you feel and what you think is right or wrong. When you lie, for example, your heart rate tends to speed up.'