To a space alien or a German Shepherd dog, two humans would be indistinguishable, just as attractive and unattractive space aliens and German Shepherd dogs are difficult for you to tell apart.

Who we can be begins with our molecular blueprints - a series of alien codes penned in invisibly small strings of acids - well before we have anything to do with it. We are a product of our inaccessible, microscopic history.

Neuroscience over the next 50 years is going to introduce things that are mind-blowing.

Because vision appears so effortless, we are like fish challenged to understand water.

One of the most pervasive mistakes is to believe that our visual system gives a faithful representation of what is "out there" in the same way that a movie camera would.

People wouldn't even go into science unless there was something much bigger to be discovered, something that is transcendent.

As Carl Jung put it, "In each of us there is another whom we do not know." As Pink Floyd sang, "There's someone in my head, but it's not me."