Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that. 
The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy. 
I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character. 
A genuine leader is not a searcher for consensus but a molder of consensus. 
I look to a day when people will not be judged by the color of their skin, but by the content of their character.
Injustice anywhere is a threat to justice everywhere. 
Intelligence plus character — that is the goal of true education
