Donovan

“If the whole world is evil, then the tragedy that befell you is justified," she went on. "That would make it easier for you to accept the deaths of your wife and daughters. But if good people do exist, then, however much you deny it, your life will be unbearable; because fate set a trap for you, and you know you didn't deserve it. It isn't the light you want to recover, it's the certainty that there is only darkness.”
― Paulo Coelho, The Devil and Miss Prym

“Everyone is a moon, and has a dark side which he never shows to anybody.”
― Mark Twain

“We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.”
― Plato

“Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that.”
― Martin Luther King Jr., A Testament of Hope: The Essential Writings and Speeches