About This Quote
“When Ideas Have Sex.” TEDGlobal 2010. Jul. 2010. Conference Presentation.
Source: "When Ideas Have Sex." TEDGlobal 2010. Jul. 2010. Conference Presentation. Additional Information: This quote is from British author Matt Ridley's 2010 TED Talk about the relationship between human progress and the exchange of ideas. The quote means that agriculture is a relatively new invention compared to trade, or exchange between groups; trade is one of the foundations of human culture. Watch the full TED Talk here: Matt Ridley - When Ideas Have Sex