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.
A man can no more diminish God's glory by refusing to worship Him than a lunatic can put out the sun by scribbling the word, 'darkness' on the walls of his cell. C. S. Lewis
Even a happy life cannot be without a measure of darkness, and the word happy would lose its meaning if it were not balanced by sadness. It is far better take things as they come along with patience and equanimity. Carl Jung
People are like stained - glass windows. They sparkle and shine when the sun is out, but when the darkness sets in, their true beauty is revealed only if there is a light from within. Elisabeth Kubler-Ross