Paul Samuelson

"Correlation is not causation."

"Models simplify reality but can illuminate important truths."

"Mathematics is the language of economics."

"Empirical evidence should guide policy."

"Peer review strengthens scholarship."

"Prediction is difficult, especially about the future."

"Unintended consequences are common in policy."

"Incentives matter profoundly."

"People respond to incentives in predictable ways."

"Information asymmetries create problems."

"Rational actors make decisions based on available information."

"Bounded rationality explains real human behavior."

"Behavioral economics reveals important truths about humans."

"Cooperation creates more value than competition alone."

"Trust is the foundation of economic activity."

"Networks create value through connection."

"Communication reduces misunderstanding and conflict."

"Listening is more valuable than speaking."

"Humility enables learning."

"Arrogance prevents understanding."

"Persistence trumps talent when talent isn't persistent."

"Failure teaches more than success."

"Adaptation is essential for survival."

"Evolution favors the adaptable."

"Nature provides lessons for economics and life."

"Diversity strengthens systems and organizations."

"Balance is key to sustainable success."

"The pursuit of happiness is often self-defeating."

"Meaning comes from contribution to something larger than oneself."

"Legacy matters more than momentary gain."