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How to Win Friends and Influence People was first published in 1937 in an edition of only five thousand copies. Neither Dale Carnegie nor the publishers, Simon and Schuster, anticipated more than this modest sale. To their amazement, the book became an overnight sensation, and edition after edition rolled off the presses to keep up with the increasing public demand. Now How to Win Friends and Influence People took its place in publishing history as one of the all-time international best-sellers. It touched a nerve and filled a human need that was more than a faddish phenomenon of post-Depression days, as evidenced by its continued and uninterrupted sales into the eighties, almost half a century later.
Dale Carnegie used to say that it was easier to make a million dollars than to put a phrase into the English language. How to Win Friends and Influence People became such a phrase, quoted, paraphrased, parodied, used in innumerable contexts from political cartoons to novels. The book itself was translated into almost every known written language. Each generation has discovered it anew and has found it relevant. Many of the names of prominent people in the book, well known at the time of first publication, are no longer recognized by many of today’s readers. Certain examples and phrases seem as quaint and dated in our social climate as those in a Victorian novel. The important message and overall impact of the book is weakened to that extent.
Our purpose, therefore, in this revision is to clarify and strengthen the book for a modern reader without tampering with the content. We have not “changed” How to Win Friends and Influence People except to make a few excisions and add a few more contemporary examples. The brash, breezy Carnegie style is intact—even the thirties slang is still there. Dale Carnegie wrote as he spoke, in an intensively exuberant, colloquial, conversational manner.
So his voice still speaks as forcefully as ever, in the book and in his work. Thousands of people all over the world are being trained in Carnegie courses in increasing numbers each year. And other thousands are reading and studying How to Win Friends and Influence People and being inspired to use its principles to better their lives. To all of them, we offer this revision in the spirit of the honing and polishing of a finely made tool.
During the first thirty-five years of the twentieth century, the publishing houses of America printed more than a fifth of a million different books. Most of them were deadly dull, and many were financial failures. “Many,” did I say? The president of one of the largest publishing houses in the world confessed to me that his company, after seventy-five years of publishing experience, still lost money on seven out of every eight books it published. Why, then, did I have the temerity to write another book? And, after I had written it, why should you bother to read it? Fair questions, both; and I’ll try to answer them. I have, since 1912, been conducting educational courses for business and professional men and women in New York. At first, I conducted courses in public speaking only – courses designed to train adults, by actual experience, to think on their feet and express their ideas with more clarity, more effectiveness and more poise, both in business interviews and before groups.
Research done a few years ago under the auspices of the Carnegie Foundation for the Advancement of Teaching uncovered a most important and significant fact – a fact later confirmed by additional studies made at the Carnegie Institute of Technology. These investigations revealed that even in such technical lines as engineering, about 15 percent of one’s financial success is due to one’s technical knowledge and about 85 percent is due to skill in human engineering—to personality and the ability to lead people. For many years, I conducted courses each season at the Engineers’ Club of Philadelphia, and also courses for the New York Chapter of the American Institute of Electrical Engineers.
A total of probably more than fifteen hundred engineers have passed through my classes. They came to me because they had finally realized, after years of observation and experience, that the highest-paid personnel in engineering are frequently not those who know the most about engineering. One can for example, hire mere technical ability in engineering, accountancy, architecture or any other profession at nominal salaries. But the person who has technical knowledge plus the ability to express ideas, to assume leadership, and to arouse enthusiasm among people—that person is headed for higher earning power.
In the heyday of his activity, John D. Rockefeller said that “the ability to deal with people is as purchasable a commodity as sugar or coffee.” “And I will pay more for that ability,” said John D., “than for any other under the sun.” Wouldn’t you suppose that every college in the land would conduct courses to develop the highest-priced ability under the sun? But if there is just one practical, common-sense course of that kind given for adults in even one college in the land, it has escaped my attention up to the present writing. The University of Chicago and the United Y.M.C.A. Schools conducted a survey to determine what adults want to study.


