About the author

Matt is the author, co-author, secondary-author, ghost-author, and non-author of articles, speeches, book chapters, and even entire books! Next will be the bestseller "Losing My Religions." Currently, he is President of One Step for Animals; previously, he was shitcanned from more nonprofits than there is room to list here. Before Matt’s unfortunate encounter with activism, he was an aerospace engineer who wanted to work for NASA to impress Carl Sagan. His hobbies include photography, almost dying, and {REDACTED} He lives in Tucson with Anne and no dogs, no cats, and no African tortoises (although he cares for all of these).

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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