Synthesized answer
The provided passages do not offer specific details about the evidence the author provides in "Modern Man in Search of a Soul." The title indicates the book is a study about man and his spiritual search [1]. This suggests the content will likely explore psychological and spiritual themes related to modern individuals.
However, without further passages detailing the arguments or findings of the book, it is impossible to identify the specific evidence Carl Gustav Jung presents. The provided text does not describe any particular experiments, case studies, philosophical arguments, or historical examples used to support the author's claims.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Modern man in search of a soul by Carl Gustav Jung Description: study about man and his spiritueal search