upworthy-production.s3.amazonaws.com/nugget/5148dd0d1619460002003bcc/attachments/Carl_Sagan_politics_religion_science.jpg ( http://www.upworthy.com/want-to-hear-a-genius-ruin-politics-and-religion-in-5-sentences ; http://www.csicop.org/specialcollections/show/carl_sagan_collection )