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Charaka Saṃhitā · Rasāyana
The Rasāyana chapters of the Charaka Saṃhitā (~2nd c. BCE–2nd c. CE) — the rejuvenation branch of Ayurveda, India's foundational medical classic, where the therapeutics section opens by caring for the healthy. Four quarters cover the great fruit formulas, the quest for vitality, hand-plucked rasāyanas, and who is fit for rejuvenation — with the chapter's jewel, Āchāra Rasāyana: conduct itself as the elixir (truthfulness, calm, compassion, regular living). Eight modules, closing with a dialogue across the Chinese, Indian, and Western traditions — bilingual (Chinese lectures + English teaching), with Chinese MP3 narration. (Wellness-focused; the classical formulas are historical education, never dosed, not health advice.)
Rasāyana
8 chapters
1Charaka Rasāyana — Ayurveda and the Way of Rejuvenation2Charaka Rasāyana — The Science of Life: Digestive Fire and Vital Essence3Charaka Rasāyana — First Quarter: The Great Fruit Formulas4Charaka Rasāyana — Second Quarter: For Those Who Desire Life5Charaka Rasāyana — Third Quarter: Hand-Plucked Rasāyanas6Charaka Rasāyana — Āchāra Rasāyana: Conduct as the Elixir7Charaka Rasāyana — Fourth Quarter: Who Is Fit for Rejuvenation8Charaka Rasāyana — Epilogue: Rejuvenation in Dialogue Across Three Traditions