The philosophers of which age believed they were discovering previously unknown truths?

The philosophers of the Age of Enlightenment believed they were discovering previously unknown truths. During this period, which took place from the late 17th to the late 18th century, philosophers sought to apply reason and logic to various aspects of life, including politics, ethics, and religion. They aimed to challenge traditional beliefs and establish new understandings based on rationality and empirical evidence. Key figures of this era, such as René Descartes, John Locke, and Immanuel Kant, believed they were uncovering new knowledge and insights that would lead to the progress and improvement of society.