"I mourn the loss of thousands of precious lives, but I will not rejoice in the death of one, not even an enemy. “Returning hate for hate multiplies hate, adding deeper darkness to a night already devoid of stars. Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that."
– Martin Luther King, Jr at least said beginning with “returning hate for hate.” The author of the beginning is currently unknown, but the quote remains appropriate.