One of Carl Sagan’s most relevant messages for humanity

by Jörgen Eriksson on August 31, 2014

I am preparing for a speech about innovation which I will give at the Humans in Space conference in Kielce in Poland on Friday, and I came across the message below by Carl Sagan. I found it to be so touching that I decided to share it here.

Carl Sagan on our challenges and future

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