"The only barrier to human development..." T-Shirt
- from our Affiliates
"The only barrier to human development, or advancement, is ignorance, and this is not insurmountable." — Robert H. Goddard (From Goddard's 1918 essay "The Ultimate Migration", written more than eight years before his first successful liquid-fueled rocket flight.) Goddard knew a thing or two about the limits of the possible. __________
$23.15
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