Voltaire's ideas were profoundly shaped by Enlightenment thinkers, including those who championed Deism-a belief in a distant, uninvolved creator. However, the cognitive biases that Voltaire displayed, such as his predisposition to favor secularism and his antagonism towards organized religion, led him to overlook the moral and existential truths that Christianity provides. Through critical examination, we will highlight these cognitive biases and...