There Is No Reason For Believing That

Commonsense Lets Us Down, Because Commonsense Evolved In A World Where Nothing Moves Very Fast, And Nothing Is Very Small Or Very Large; The Mundane World Of The Familiar.

There's This Thing Called Being So Open-minded Your Brains Drop Out.

It Would Be Really Worrying If, As A Darwinian, It Was Impossible To Think Of Ways In Which Our Behavior Could Be Explained.

Five Per Cent Vision Is Better Than No Vision At All. Five Per Cent Hearing Is Better Than No Hearing At All. Five Per Cent Flight Efficiency Is Better Than No Flight At All. It Is Thoroughly Believable That Every Organ Or Apparatus That We Actually See Is The Product Of A Smooth Trajectory Through Animal Space, A Trajectory In Which Every Intermediate Stage Assisted Survival And Reproduction.

It Could Be That At Some Earlier Time, Somewhere In The Universe, A Civilization Evolved By Probably Some Kind Of Darwinian Means To A Very, Very High Level Of Technology- And Designed A Form Of Life That They Seeded Onto Perhaps This Planet. And I Suppose It's Possible That You Might Find Evidence For That If You Look At The Details Of Biochemistry, Molecular Biology, You Might Find A Signature Of Some Sort Of Designer.