Economist Quotes and aphorisms about different Thomas Sowell Alan Greenspan Alan Greenspan Klaus Schwab ,, Environmental pollution, terrorism, and many other global threats do not stop at borders. We all be... Paul Samuelson ,, My family was well off but not rich. I spent the four years I was an undergraduate working on the b... Paul Samuelson Robert J. Shiller ,, A moderate tax on robots, even a temporary tax that merely slows the adoption of disruptive technol... Robert Reich Thomas Piketty David Ricardo