“‘Influence’ is one of the best business books of all time.”

“This ‘Influence’ is a classic: it delves into how and why influence works and the specific dynamics at play when leading a company.”

“Influence’ is a must-read for entrepreneurship, sales, and marketing.”

“‘Influence’ is a book that made me a billionaire.”

“I recommend inhaling anything you can get your hands on by Robert Cialdini — books, podcasts, videos. He is the undisputed master of all things persuasion.”

“Cialdini is the ‘Godfather of Influence.’ His book is the guiding light for how I conduct business – and in many ways how I live my life.”

"I've been a fan of Dr. Cialdini for 2 decades! His work has had an insane impact on my business and life - thank you!"

“His work in codifying human behavior, has been priceless.”

“If the President had to have one advisor with him at all times, my nomination would be Bob Cialdini, the world’s most practical social psychologist, and the master of ‘Influence’.”

“I would really encourage people to study books like ‘Influence,’ so you get a fundamental set of principles that you can apply online, offline, to different tools, to direct copy, to complex sales in big organizations…”

“I have always been impressed with his integrity, his honesty, his high ethics standards, the way that he conducts his life and his business.”

The new ‘Influence’ is nothing short of a masterpiece. The writing is both timeless and worth reading immediately.

“Robert Cialdini has had a greater impact on my thinking than any other scientist.”

“Anyone who wants their abilities in communication or negotiation to be at their highest level has to read Robert Cialdini's book. Your knowledge base is simply incomplete without it.”

“Cialdini is the expert on influence. His research reveals principles that any leader, or any person for that matter, can apply.”

“‘Influence’: classic, classic book. Everybody should read it, memorize it, and understand that the way that people influence other people is consistency, liking, authority, social proof, scarcity, and reciprocity.”

“Robert Cialdini is a pioneer in translating complex scientific work into a fun and digestible form that the rest of us can understand and benefit from.”

“Dr. Robert Cialdini has long been recognized as a leading voice in the fields of persuasion, compliance, and negotiation.”

“Bob Cialdini is a great observer, and keen observations have been the key to some of his great work... It’s really inspiring to look at his work.”

“’Influence’ will continue to clarify and inspire the art and science of persuasion for years to come.”

“Not only is he a world-class psychologist, he is a world-class human being.”

“Without Bob Cialdini, I would not be a psychologist.”

“Whether you seek to boost sales, strike a better deal, or improve your relationships, ‘Influence’ offers scientifically tested principles that can change your life.”

“‘Influence’ is a modern business classic that has profoundly shaped the fields of marketing and psychology.”

“When people find out that Bob Cialdini was my mentor, the most common response is: ‘Bob Cialdini is my hero.’ He is everything we hope to be as academics and frankly as people.”

“Bob Cialdini is unquestionably one of the greatest social psychologists of the last century.”

“Robert Cialdini has been the go-to psychology expert in marketing since his best-selling book ‘Influence’.”

“Bob has always imbued his work with ethical principles. He’s always sought and found good reasons – economic reasons – for being ethical.”

“Bod has always had a real skill and a talent for connecting the science to stuff that real people – even if they’re not academics – actually care about.”

“Bob’s work represents the very best of social psychology, combining both basic theory and conceptual along with an important application to the real world.”

“Future generations of psychologists will benefit and take inspiration from the approach that Bob uses to develop research ideas and ultimately study them.”

“Distinguished scholar, tremendous mentor, researcher, educator… Bob has truly been a scientist to emulate in so many ways.”