Do logic and rationality have limits? Are there ways to "get outside" of rational thinking? Do altered states caused by psychedelics provide true insight about the world, or are they illusory?

These are the questions I discuss with Dr. Bernardo Kastrup, who shares some of his personal experiments and insights gained psychedelic drugs.

Is everything ultimately mental? Do we need a theory of a physical world at all? Dr. Bernardo Kastrup joins me again to talk about idealism.

This time, we go into great detail, both put our ideas to the test, and the result was one of my favorite interviews ever. I end up asking Bernardo some of the most difficult questions in philosophy.