Gregory B. Sadler - That Philosophy Guy

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I bring philosophy into practice, making complex classic philosophical ideas accessible for a wide audience of professionals, students, and life-long learner...

Latest Videos

Thomas Nagel, What Is It Like To Be A Bat Objective Understanding And Experience Core Concepts

Thomas Nagel, What Is It Like To Be A Bat Subjective Experience Of Other Species Core Concepts

Sadler Telling Stories 104 Pépère Lemrise, The Instruments, And The Ragtag Band

Thomas Nagel, What Is It Like To Be A Bat Reductionist Accounts And Conscious Experience

Ideas That Matter A Conversation With Brittany Polat About Stoicism, Christianity, and Ethics

Exclusive Video 25 Reflections On Teaching Existentialist Thinkers In My Own Classes

William Clifford, The Ethics Of Belief The Limits Of Inference Philosophical Core Concepts

Philip K Dick's Philosophical Novels A 10 Week Online Class In The Study With Sadler Academy

William Clifford, The Ethics Of Belief Beliefs and Tradition Philosophy Core Concepts

William Clifford, The Ethics Of Belief Veracity, Knowledge, & Judgement Philosophy Core Concepts

Update May 2026 Online Classes, Videos, Events, Podcasts, And Writings

William Clifford, The Ethics Of Belief Belief, Action, Duty Of Inquiry Philosophy Core Concepts

Sadler Telling Stories 113 My Mother's Vacations Elsewhere and Our Vacations At Home

William Clifford, The Ethics of Belief Individuals' Beliefs, Society, and Humanity Core Concepts

Classic Metal Class Session 46 Conflicts and Rivalries Between Heavy Metal Bands and Musicians

William Gass, The Case Of The Obliging Stranger Moral Philosophers and Principles Core Concepts

Self Directed Study In Philosophy Augustine Of Hippo's Philosophy How To Study Sadler's Advice

Exclusive Video 24 A Common Emotional Difficulty Arising For Cat Shelter Volunteers

William Gass, Case Of The Obliging Stranger Clear Cases & Unclear Cases Philosophy Core Concepts

William Gass, Case Of The Obliging Stranger The Case & Moral Theories Philosophy Core Concepts

Sadler Asking Questions Am I A Booktuber Or Just Booktube Adjacent

Aristotle, On Interpretation Contraries Of Affirmative Propositions Philosophy Core Concepts

Ideas That Matter A Conversation With Hiram Crespo About Epicureanism, Pleasures, and Community

Aristotle, On Interpretation Necessity, Contradictories, and Contraries Philosophy Core Concepts

Sadler's Quick Takes Number 22 Claiming “I Just Don’t Understand Any Of It” About A Philosophy

Aristotle, On Interpretation Distinctions Among Potentialities Philosophy Core Concepts

Sadler Telling Stories 112 Bruising My Rib In The Summer Of 2009 In Fayetteville

Aristotle, On Interpretation Implications Of Modal Propositions Philosophy Core Concepts

Aristotle, On Interpretation Possible, Contingent, Impossible, and Necessary Propositions

John Sellars & Justin Stead, The Stoic Leader Sadler's Honest Book Reviews