Life is neither good or evil, but only a place for good and evil. -Marcus Aurelius

In its early stages, insomnia is almost an oasis in which those who have to think or suffer darkly take refuge. -Sidonie Gabrielle

Diamonds are to be found only in the darkness of the earth, and truth in the darkness of the mind. -Victor Hugo, Les Misérables

Even the darkest night will end and the sun will rise. -Victor Hugo, Les Misérables

We are fast approaching the stage of the ultimate inversion: the stage where the government is free to do anything it pleases, while the citizens may act only by permission; which is the stage of the darkest periods of human history, the stage of rule by brute force. -Ayn Rand

Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt. -Sun Tzu, The Art of War

Real life’s nasty. It’s cruel. It doesn’t care about heroes and happy endings and the way things should be. In real life, bad things happen. People die. Fights are lost. Evil often wins. -Darren Shan

Words – so innocent and powerless as they are, as standing in a dictionary, how potent for good and evil they become in the hands of one who knows how to combine them. -Nathaniel Hawthorne

The most momentous thing in human life is the art of winning the soul to good or evil. -Pythagoras

If there be light, then there is darkness; if cold, heat; if height, depth; if solid, fluid; if hard, soft; if rough, smooth; if calm, tempest; if prosperity, adversity; if life, death. -Pythagoras