Craig had a thoughtful discussion with Zachary Porcu on the source and nature of knowledge.
On Solid Ground is the hub for content from OSI fellows and affiliates, along with announcements about OSI’s programs and events. Here, you’ll find links to our team’s articles, videos, and other materials published across various platforms. And you’ll discover opportunities to support and engage with our global community.
Latest from OSI
Philosophy
Michael Huemer and Craig Biddle Discuss Ethical Intuitionism and Rational Egoism
Craig recently spoke with philosopher Michael Huemer about the nature and foundations of ethics.
Art & Culture
Sunrise on the Reaping and the Causality Confusion
Angel dives into the ideas behind Sunrise on the Reaping and why philosophy isn’t just for books.
Politics & Liberty
What Even Is Cancel Culture?
Kiyah looks at how a tool once used to call out bad behavior got twisted into a shield—protecting harmful ideologies under the banner of “free speech.”
Philosophy
Christian Theist vs Objectivist Atheist
Maddox (Objectivist, ex-baptist) and Jake (a Baptist pastor) confront their deepest disagreements about God, morality, and the foundations of truth. They explore whether faith or reason is the more reliable path to knowledge—and how each shapes our understanding of good and evil.
