Heraclitus of Ephesus (2017). “Heraclitus on the two antithetical forces in life: Interdependent and mutually convertible aspects of One Cause”, p.22, Philaletheians UK
Heraclitus of Ephesus (2017). “Heraclitus on the two antithetical forces in life: Interdependent and mutually convertible aspects of One Cause”, p.8, Philaletheians UK