Test Everything!

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Nobel prize-winning physicist Richard Feynman said, “The first principle is that you must not fool yourself—and you are the easiest person to fool.”

These words are no less insightful today than they were when he wrote them in 1985. Despite our best efforts, we are all vulnerable to believing things without using logic or having proper evidence—and it doesn’t matter how educated or well read we are. Our brains seem to be hardwired to have our beliefs come first and explanations for our beliefs second. And although we are skilled at recognizing the cognitive biases in other people’s thinking, we often have blinders on when it comes to our own.

But there is a method for avoiding these pitfalls of human nature, and it’s called skepticism. By using rational inquiry and seeing subjects from a scientific perspective, we can approach even the most sensitive claims with clear eyes to ultimately arrive at the truth. And today, the need for skepticism has never been more dire as superstition and magical thinking experience a resurgence in our society and around the world.