Testosterone and Spiritual Thought By Louis Gifford Over the past several thousand years of human civilization, religion has changed immensely. The focus has gone from present, tangible forms to transcendent, intangible spirit; from primordial, cosmic battles to blissful nirvana or worldwide brotherly love; from a preoccupation with rules, rites, purity, and holiness distinctions to very… Read More


Live Interview for Fabulously Fit Over 40 FEBRUARY 25, 2016 BY Jay Campbell Please watch this absolutely fascinating interview Alexander Juan Antonio Cortes and I did with Roy Barzilai the author of The Testosterone Hypothesis. (Soundcloud file here.) Roy’s book offers an in depth analysis of how hormones play an instrumental role in the life cycles… Read More


Entretien : La Testostérone, moteur de l’histoire des civilisations ?   Trouver un intellectuel international qui se revendique ouvertement comme Randien (disciple d’Ayn Rand) n’est pas chose courante. D’où l’intérêt de cet entretien réalisé par Grégoire Canlorbe. Son interlocuteur :  Roy Barzilai, un chercheur israélien, auteur  de The Testosterone Hypothesis : How Hormones Regulate the… Read More


הוגה הדעות הימני: העולם קורס באשמת ההורמונים משברים כלכליים, מלחמות ותיאוריות על התחממות גלובלית — וגם הומוסקסואליות, טבעונות ופמיניזם — נובעים בכלל ממחסור בטסטוסטרון. כך, בכל אופן, מאמינים בתנועה הליברטריאנית רועי צ’יקי ארד 01.10.2015  Haaretz Interview   בחודש הבא תתקיים במרכז “אוסטרו־סומליה” בדרום תל אביב הופעה של אחד ההוגים הימנים המעניינים הפעילים היום. רועי ברזילי,… Read More


Gregoire Canlorbe,  Institut Coppet septembre 16, 2015 Argumentaires Roy Barzilai is an independent scholar, who studied both Ayn Rand’s philosophy of Objectivism and Rivka Schechter’s philosophy of language, rooted in the Hebrew Bible. The synthesis of Rand’s Aristotelian philosophy, and the biblical creed of ethical monotheism provides profound insights into the ideas that shaped the… Read More


This week I am excited to review a book by Roy Barzilai, author of one of my favorite philosophical/sociological works: The Objective Bible: Western Civilization’s Struggle for Philosophic Liberation from a Herd-Mentality and Pagan Mysticism. In his new book, The Testosterone Hypothesis: How Hormones Regulate the Life Cycles of Civilization, Roy advocates a more modern… Read More


The Testosterone Hypothesis - Book Mockup

    New Book makes case that testosterone is the key biological factor that drives the engine of human culture and history. THE TESTOSTERONE HYPOTHESIS:  How Hormones Regulate the Life Cycles of Civilization is Roy Barzilai’s next provocative book, following last year’s release of THE OBJECTIVE BIBLE: Western Civilization’s Struggle for Philosophic Liberation from a… Read More


“Roy Barzilai has managed to provide philosophically, socially, and religiously interested readers with an absolutely fascinating piece of literature. In my humble opinion, The Objective Bible has fully deserved the attention it has received in the academic world, and encourage all who find this topic interesting to read it. As Barzilai, himself, points out, Western… Read More