Synthesized answer
The provided passages do not specify the evidence the author provides in "The Propensity of Things: Toward a History of Efficacy in China."
The passages describe the content of another book, "Vital Nourishment" by François Jullien [Passage 1]. This book is characterized as a philosophical inquiry that draws from the early Chinese thinker Zhuangzi to explore concepts of breath, energy, and immanence, focusing on how to "feed life" or nourish it [Passage 1]. However, no information about the evidence used within "The Propensity of Things: Toward a History of Efficacy in China" is present.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Vital Nourishment by François Jullien Description: A philosophical inquiry into how to "feed life," or nourish it, draws from early Chinese thinker Zhuanghi to explore notions of breath, energy, and immanence. Categories: History Pages: 178 Snippet: A philosophical inquiry into how to "feed life," or nourish it, draws from early Chinese thinker Zhuanghi to explore notions of breath, energy, and immanence.