"Kama ilivyoelezwa katika kitabu cha ""Higher: The Academic Left and Its Quarrels with Science"" cha Paul Gross na Norman Levitt, ""Uchumi wa ulimwengu ni wa ajabu."""
Kwa hakika maoni hayo yaliandikwa na mwanabiolojia Paul Gross na mwanahisabati Norman Levitt.