" This combination of the internal, intangible emotional jour- ney and the practical skill of making music—the “heartwork and headwork,” as Rubin calls it—is how he’s sustained his craft across genres for so many decades. He taps into something far beyond the type of music or production style, and instead connects to the artist through a first-principle truth: that their greatest work can only come from manifesting and sharing a reflection of their true purpose. "

― Alan Philips, , The Age of Ideas: Unlock Your Creative Potential