Who was the group of thinkers that believed the human mind could understand everything?

The group of thinkers who believed that the human mind could understand everything is often associated with the Enlightenment period, particularly philosophers like René Descartes, john Locke, and Immanuel Kant. They emphasized reason, scientific inquiry, and empirical evidence as means to gain knowledge about the world. This intellectual movement championed the idea that through rational thought, humans could unlock the mysteries of nature and society. Their beliefs laid the groundwork for modern philosophy and the scientific method.