Dale Carnegie, who wrote the international bestsellers How to Win Friends and Influence People and How to Stop Worrying and Start Living, referred to Adler as ‘a great psychologist who devoted his life to researching humans and their latent abilities’. The influence of Adler’s thinking is clearly present throughout his writings. And in Stephen Covey’s The 7 Habits of Highly Effective People, much of the content closely resembles Adler’s ideas.
