[First voice]
...These symptoms suggested that our evolution, I suppose, from the animal kingdom into the human kingdom itself was catalyzed, or triggered by our encounter with these hallucinogenics, and...

[Second voice]
...Yes, we are an ape with a symbiotic relationship to a mushroom, and that has given us self reflection, language, religion and all the spectrum of effects that flow from these things...

[First voice again]
...And one can only wonder how these hallucinogens might effect our future evolution as well...

[Second voice again]
...They have brought us to this point, and as we make our relationship to them conscious, we may be able to take control of our future evolutionary path...