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— Frederick Seitz"Essentially all civilizations that rose to the level of possessing an urban culture had need for two forms of science-related technology, namely, mathematics for land measurements and commerce and astronomy for time-keeping in agriculture and aspects of religious rituals."
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A field is the most just possession for men. For what nature requires it carefully bears: barley, oil, wine, figs, honey. Silver-plate and purple will do for the tragedians, not for life.
— Philemon
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In a sense, the fossil fuels are a onetime gift that lifted us up from subsistence agriculture and eventually should lead us to a future based on renewable resources.
— Kenneth S. Deffeyes
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