A few famous quote from Martin Luther King:

A genuine leader is not a searcher for consensus but a molder of consensus.
Martin Luther King, Jr.

A lie cannot live.
Martin Luther King, Jr.

A man who won’t die for something is not fit to live.
Martin Luther King, Jr.

A nation that continues year after year to spend more money on military defense than on programs of social uplift is approaching spiritual doom.
Martin Luther King, Jr.

A riot is the language of the unheard.
Martin Luther King, Jr.

All progress is precarious, and the solution of one problem brings us face to face with another problem.
Martin Luther King, Jr.

An individual has not started living until he can rise above the narrow confines of his individualistic concerns to the broader concerns of all humanity.
Martin Luther King, Jr.

An individual who breaks a law that conscience tells him is unjust, and who willingly accepts the penalty of imprisonment in order to arouse the conscience of the community over its injustice, is in reality expressing the highest respect for the law.
Martin Luther King, Jr.

At the center of non-violence stands the principle of love.
Martin Luther King, Jr.

Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that.
Martin Luther King, Jr.

Every man must decide whether he will walk in the light of creative altruism or in the darkness of destructive selfishness.
Martin Luther King, Jr.