Dr Carl Sagan Quotes
Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history. 
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Medicine | | Advances | Agriculture | Saved |
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True human progress, that which can be linked to evolution, and which prolongs it, can only consist in perfecting and ameliorating man himself and not in improving the tools he employs, nor in increasing his physical well-being.
- Dr Carl Sagan
