In the mid-5th century BCE, the philosopher Empedocles devised a theory that divided human life into four elements: fire, water, air, and earth. He wrote, “Now hear the fourfold roots of ...

What does it mean to be human? In The Four Realms of Existence: A New Theory of Being Human 1, fellow PT Blogger, Professor Joseph LeDoux shares his perspective. It is a point of view guided by ...

In this interview you will learn: -about his newest book – “The Four Forces of Human Nature: A Unifying Theory,” and the main message he wants to convey to your readers -the relationship ...