“To those whose delight it is to dwell upon the manifold instances of intelligent design which everywhere surround us, this book will be a rich storehouse.”
Darwin was not at all unsure about the value of his orchid book. He viewed it as presenting the most convincing case for natural selection that he could make.
All the evidence points to Darwin as a generally healthy man with a strong, active libido, normal sexual function, and prodigious fertility.
The interview is very accessible to the non-scientist and, in my opinion, is one of the best discussions of the major issues in this debate I have ever heard.