What are anti-realists and why do they deny objective reality? What we know of the world must come through our senses and be processed by our brains. Both can be unreliable; illusions can fool our senses and illness or injury can disrupt our brains. Therefore, can we ever be sure that anything outside ourselves is truly what it seems? Make a donation of any amount to help Closer To Truth continue exploring the world's deepest questions: https://bit.ly/4oZgaJP Markus Gabriel is a German philosoph