The Principle of Optimism
David Deutsch discusses the principle of optimism as a fundamental concept in understanding the growth of knowledge and the role of humans in creating it. He explains how the vast majority of physical transformations can only be brought about by people through the creation of knowledge, making optimism a crucial philosophical basis for structuring societies and living our lives.In this clip
From this podcast

Naval
The Deutsch Files II
Related Questions
How does the universe work according to David Deutsch and Naval Ravikant in the episode David Deutsch and Naval Ravikant — The Fabric of Reality And Much More | The Tim Ferriss Show and the clip Human Existence Explored?
Can knowledge creation shape the world as discussed in the episode David Deutsch: Knowledge Creation and The Human Race, Part 2 and the clip The Nature of Knowledge?