I heard this quote today, attributed to James Oberg, NASA engineer:
"Keep an open mind, but not so open that your brains fall out."
I like it. Be receptive to ideas, but not so much that every idea, regardless of logic or merit warrants equal consideration.
The more implausible or counterintuitive something is, the more rigorous the proof or supporting argument should be.
[Thanks to Dr. Steven Shafer for a wonderful lecture on the topic, which started with the Oberg quote.]
[Image, CafePress.com]
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