On Monday, the country honors the iconic civil rights leader who promoted a peaceful push toward racial progress, played a key role in the Montgomery bus boycott, helped organize the 1963 March on Washington and helped lead the 1965 Selma-to-Montgomery march for equal voting rights. King is considered the face and mood of the Civil Rights Movement. On April 4, 1968, the baptist minister was fatally gunned down on the balcony of the Lorraine Motel in Memphis, Tennessee, sending the world into mourning. The late James Earl Ray confessed to the crime. Here is some of the wisdom King left with us: