The talk on December 10th, 1972, centers around the exploration of Zen principles with a specific focus on the doctrine of emptiness and the practical application of Zazen. The discussion traverses pivotal Buddhist texts addressing the nature of reality, impermanence, and the significance of direct experience over conceptual understanding.

• Key Discussions:
• Examination of the concept of "emptiness" (śūnyatā) and its foundational role in Zen practice.
• Practical guidelines and philosophical underpinnings of Zazen, emphasizing its importance in realizing non-duality.
• Comparative analysis between Zen and other Buddhist schools of thought, highlighting unique aspects of Zen methodology.

Referenced Works

• "Heart Sutra":

• Essential text elucidating the principle of emptiness central to Mahayana Buddhism; frequently referenced to explain the non-substantial nature of phenomena.

• Dōgen's "Shōbōgenzō":

• A key Zen text cited for its profound insights into the practice of Zazen and the immediate experience of enlightenment (satori).

• Nagarjuna's "Mūlamadhyamakakārikā":

• Referenced for its analytical approach to emptiness and the middle path philosophy which negates eternalism and nihilism.

• Platform Sutra of the Sixth Patriarch:

• Discussed in the context of sudden enlightenment and the practice of non-attachment, integral to Zen teachings.

Relevance to Central Thesis

• Heart Sutra: Provides the doctrinal foundation for discussions on emptiness and interdependence.
• Shōbōgenzō: Offers practical wisdom and intricate philosophical discourse central to the talk's exploration of Zazen.
• Mūlamadhyamakakārikā: Supports the theoretical framework for understanding Zen’s interpretation of reality.
• Platform Sutra: Illustrates the lived experience of Zen principles, complementing theoretical discussions with practical insights.

AI Suggested Title: "Zen Emptiness and Practical Zazen"