In a remote corner of Brazil, the man known as John of God is changing people's lives in astonishing ways. Can belief cure illness? Can energy heal? Susan Casey took the journey to find out.

Dr. Jeff Rediger traveled to Brazil as a skeptic, hoping to uncover the truth behind John of God's controversial form of healing. See why he started to question what he believes.

O, The Oprah Magazine's editor-in-chief, Susan Casey, describes what is was like to meet John of God. Did she find healing?

Oprah Radio host Marianne Williamson discusses Lesson 137 of A Course in Miracles.

Oprah Radio host Marianne Williamson discusses Lesson 151 of A Course in Miracles.