Country-rock singer and songwriter Johnny Cash was known as "The Man in Black." He is considered one of the most influential musicians of the 20th century and one of the most adored personalities in the entertainment industry. Songs like "I Walked the Line,” “A Boy Named Sue," “Man in Black,” and “There You Go” are just a few songs from his catalog of musical recordings. Although he struggled with drugs and alcohol, he later cleaned his life up and reaffirmed his Christian faith. "The Master of Life has been good to me. He has given me strength to face past illnesses, and victory in the face of defeat. He has given me life and joy where others saw oblivion," he said. Cash is still remembered today for not only his music but the lessons he passed along. His legend still looms today. Here is what the amazing Johnny Cash taught us about life and love.