Steve Piersanti, the president of Berrett-Koehler Publishers, suggested that I include a representative sample of the hundreds of letters I’ve received since the first edition of Synchronicity was published. I’m moved by these letters—and initially was overwhelmed by them, especially by those that asked for help or advice. It is these letters and my feeling of inadequacy in relation to them that helped inspire me to learn as much as I could about the principles that informed the journey described in Synchronicity—and that are at the heart of my forthcoming book, Source.

Sometimes the comments were dramatic and short: “I liked this book so much that I resigned from work. (It’s true!)” But often they ...

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