“When the past no longer illuminates the future, the spirit walks in darkness.”– Alexis de Tocqueville Related Quotes “Innovations that are guided by smallholder farmers, adapted to local circumstances, and sustainable for the economy and environment will be necessary to ensure food security in the future.”– Bill Gates “The Nuclear Security Summit was President Obama’s initiative born out of his vision to leave behind a safer, more prosperous world for the future generation.”– Lee Myung-bak “After all, the past is our only real guide to the future, and historical analogies are instruments for distilling and organizing the past and converting it to a map by which we can navigate.”– Michael Mandelbaum