Robert G. Ingersoll byl nejvýznamnějším zastáncem svobodomyslnosti 19. století. Jeho působivé a tříhodinové přednášky, často zaměřené proti náboženství a pověrám, přitahovaly obrovské davy lidí po celé zemi. Byl neohroženým šampionem rozumu a lidské lásky, který se postavil proti pověrám a hierarchickým božstvům. Ingersoll se zasazoval o rovná práva pro všechny a byl znám svou naprostou poctivostí a neochvějnou odvahou v obraně svých přesvědčení.
Focusing on the bond between sentient beings, the book delves into the non-verbal connections that exist between individuals. It raises profound questions about the essence of a healthy human being, considering the influences of nature, nurture, and the interplay between them. Additionally, it examines the origins of personality traits, emotions, moods, language skills, and intelligence, encouraging readers to reflect on the complexities of human development and relationships.
An outspoken agnostic and advocate for civil rights, Robert Ingersoll was a prominent figure in the late 19th century, known for his lectures on "freethought." He championed the separation of church and state and fought for women's and African Americans' rights, drawing large audiences and earning admiration from notable figures like Mark Twain and Thomas A. Edison. Edison's praise highlighted Ingersoll's significant impact, as he even recorded Ingersoll's voice, reflecting his importance and the need for his ideas in contemporary society.