In his book "Blink: The Power of Thinking Without Thinking," Malcolm Gladwell emphasizes the importance of combining both deliberate and instinctive thinking for effective decision-making. He suggests that truly successful choices come from finding a balance between careful analysis and gut feelings. This duality allows individuals to assess situations more holistically and make more informed decisions.

Additionally, Gladwell underscores that frugality plays a crucial role in good decision-making. This means being mindful of resources, time, and effort during the decision-making process. By streamlining choices and avoiding unnecessary complexity, one can enhance the quality of decisions made, leading to more successful outcomes.