
Psychology
How To Win Friends and Influence People
by Dale Carnegie · 2020 · 320 pages
★4.57· 1227 ratings
How To Win Friends and Influence People
Criticism always boomerangs — even killers think they're justified
“ Dealing with people is probably the biggest problem you face, especially if you are in business. ” e.style.display='none');if(typeof getContentsSections==='function')setTimeout(getContentsSections,50)" /> Technical skills are table stakes. Research from the Carnegie Foundation showed that in fields like engineering, only 15% of financial success comes from technical knowledge — a staggering 85% comes from "human engineering," meaning personality and the ability to lead people. John D. Rockefeller called the ability to deal with people a commodity he'd pay more for "than for any other under t
Lesson 1: Criticism always boomerangs — even killers think they're justified
This principle from How To Win Friends and Influence People is backed by Dale Carnegie's extensive research and real-world examples. Understanding it deeply can shift how you approach decisions, relationships, and long-term planning in meaningful ways.
Lesson 2: Honest appreciation, not flattery, feeds the deepest human hunger
This principle from How To Win Friends and Influence People is backed by Dale Carnegie's extensive research and real-world examples. Understanding it deeply can shift how you approach decisions, relationships, and long-term planning in meaningful ways.
How to Apply How To Win Friends and Influence People's Lessons
The real value of How To Win Friends and Influence People lies in its applicability. After reading, the most important step is identifying which of Dale Carnegie's principles speak most directly to your current situation.
Consider keeping a journal while reading — noting where the ideas challenge your current approach and where they confirm what you already suspected. The friction of your own resistance often points to the most important insights.
Key Quote
"Criticism always boomerangs — even killers think they're justified" — Dale Carnegie, How To Win Friends and Influence People
About the Author
Dale Carnegie is the author of How To Win Friends and Influence People. The book reflects years of research, observation, and synthesis of evidence from multiple disciplines.











