"If we don't watch what we're doing, we can make great troubles for ourselves." Carl Sagan, American astronomer
In honor of today's quote (with which I cannot quarrel), I decided to post this link to a YouTube channel where you can watch episodes of the original Cosmos.
And don't forget to watch Neil deGrasse Tyson in the new Cosmos.
Quotes-of-the day from the 2014 Keep Calm & Carry On desk calendar
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