 Camus writes of value-nihilists such as Meursault, but also of values in a nihilistic world, that people can instead strive to be "heroic nihilists", living with dignity in the face of absurdity, living with "secular saintliness", fraternal solidarity, and rebelling against and transcending the world's indifference.The current era has seen radical changes in both formal and popular conceptions of human nature.The knowledge disclosed by modern science has effectively rewritten the relationship of humankind to the natural world.