True peace is not merely the absence of tension; it is the presence of justice.

Martin Luther King, Jr. (1929-1968) American clergyman, civil rights leader, social activist, preacher

Stride Toward Freedom, ch. 2 “Montgomery Before the Protest” (1958)
    (Source)

Response to a Montgomery resident who complained that race relations had been so "peaceful and harmonious" before King and other protesters arrived.