fire and ice, hot and cold concept. peace and war, joy and sorrow, truth and lies, beauty and ugliness

fire ice hot cold concept good evil heaven hell light darkness love hate metaphor contrasting opposing desire hatred duality human nature flames cubes snow yin yang life death day night right wrong hope despair peace war joy sorrow truth lies beauty ugliness freedom bondage success failure youth age wealth poverty health illness courage fear order chaos harmony discord innocence guilt wisdom ignorance pleasure pain justice injustice victory defeat faith doubt bravery cowardice knowledge flame burn coal conceptual burning heat concept