“Kahneman later codified his research in the 2011 bestseller Thinking, Fast and Slow.3 Man, he wrote, has two systems of thought: System 1, our animal mind, is fast, instinctive, and emotional; System 2 is slow, deliberative, and logical. And System 1 is far more influential. In fact, it guides and steers our rational thoughts.”

“Kahneman later codified his research in the 2011 bestseller Thinking, Fast and Slow.3 Man, he wrote, has two systems of thought: System 1, our animal mind, is fast, instinctive, and emotional; System 2 is slow, deliberative, and logical. And System 1 is far more influential. In fact, it guides and steers our rational thoughts.”

— Chris Voss