"What makes you think human beings are sentient and aware? There's no evidence for it. Human beings never think for themselves, they find it too uncomfortable. For the most part, members of our species simply repeat what they are told-and become upset if they are exposed to any different view. The characteristic human trait is not awareness but conformity, and the characteristic result is religious warfare. Other animals fight for territory or food; but, uniquely in the animal kingdom, human beings fight for their 'beliefs.' The reason is that beliefs guide behavior which has evolutionary importance among human beings. But at a time when our behavior may well lead us to extinction, I see no reason to assume we have any awareness at all. We are stubborn, self-destructive conformists. Any other view of our species is just a self-congratulatory delusion. Next question."
--- Michael Crichton, The Lost World
The Lost World is a novel released in 1912 by Sir Arthur Conan Doyle about an expedition to a plateau in the Amazon basin in Brazil that encountered prehistoric animals. It has been the inspiration for subsequent fiction, including Michael Crichton's Jurassic Park.