trust your eyes?

I was reading an article by an expert in one of the disciplines in my field. He followed it with some "fun links." One in particular got my attention: the Official Reality Dot Appreciation page.

What is there in this exercise that reminds me that we are at significant risk when we trust our eyes? When I do some changes to my fixed focal point, I can see that it's true: there isn't a green dot--just a sequential flicker of on/off that makes the circle of pink dots appear like they rotate; and the "off" condition of the pink dot makes it's complementary color--green--appear in its place.

Can we afford not to trust our eyes? Get in your car and turn on the key. You'd better trust your eyes. But I'm not always in my car, and if I use my eyes to tell me what to trust all the time, I'll run over somebody who I knew was in a weakened/wounded state, but I couldn't see it.

Paul says we walk by faith, and not by sight; and that we work our our salvation with fear and trembling. The reality dot is one more bit of evidence.

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