Who said "The heart knows what the mind cannot explain."?

This quote is attributed to Carl Sandburg.

The heart knows what the mind cannot explain. - Carl Sandburg

"The heart knows what the mind cannot explain."

Carl Sandburg

Poet American 1878–1967

"I am the people—the mob—the crowd—the mass."

"Life is like an onion; you peel off one layer at a time and sometimes you weep."

"Nothing happens unless first we dream."

"I have always been ahead of my time."