I endorse it. I think it was correct. Contrary to what many have said, it sought to outlaw neither prayer nor belief in god. In a pluralistic society such as ours, who is to determine what prayer shall be spoken and by whom? Legally, constitutionally or otherwise, the state certainly has no such right.

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

Playboy interview (Jan 1965)
    (Source)

On the U.S. Supreme Court's decision to ban school-led prayer.