Who said "The simplest songs often carry the deepest meaning."?

This quote is attributed to Johnny Cash.

The simplest songs often carry the deepest meaning. - Johnny Cash

"The simplest songs often carry the deepest meaning."

Johnny Cash Knowledge

Country Singer Songwriter American 1932–2003

"I keep a close watch on this heart of mine"

"You build on failure. You use it as a stepping stone. Close the door on the past. You don't try to forget the mistakes, but you don't dwell on it."

"I'm just trying to matter and leave my mark for good."

"The greatest gifts are those that come from the heart."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."