More quotes by Martin Luther King, Jr.

"Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that."
"I believe that unarmed truth and unconditional love will have the final word in reality. This is why right, temporarily defeated, is stronger than evil triumphant."
"Life's most persistent and urgent question is, 'What are you doing for others?'"
"At the center of non-violence stands the principle of love."
"Every man lives in two realms: the internal and the external. The internal is that realm of spiritual ends expressed in art, literature, morals, and religion. The external is that complex of devices, techniques, mechanisms, and instrumentalities by means of which we live."