About the author

I am the author, co-author, secondary-author, ghost-author, and non-author of articles, speeches, book chapters, and even entire books! The most recent can be found at LosingMyReligions.net. Currently, I am President of One Step for Animals; previously, I was shitcanned from so many nonprofits that we can’t list them all here. Before my unfortunate encounter with activism, I was an aerospace engineer who wanted to work for NASA (to impress Carl Sagan). My hobbies include photography, almost dying, and {REDACTED}. I live in Tucson with my soulmate and reluctant editor Anne, along with the occasional snake and scorpion.

Monday, August 4, 2014

Carl Sagan on Truth

How can we recognize the truth? There are a few simple rules.

The truth ought to be logically consistent. It should not contradict itself. It ought to be consistent with what else we know. We know a great many things -- a tiny fraction, to be sure. But nevertheless some things we know with quite high reliability.

We should also pay attention to how badly we want to believe a given contention. The more badly we want to believe it, the more skeptical we have to be.

From The Varieties of Scientific Experience

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