“We have also discovered that, behind all the tools for operational excellence and the different management system needed to support their use, lies a much deeper challenge: to develop the human potential of everyone to create a culture of accelerating continuous improvement to meet today’s changing circumstances. Learning is at the heart of Lean.” 

Daniel Jones’ introduction to The Lean Sensei by Michael Balle, Nicolas Chartier, Pascale Coignet, Sandrine Olivencia, Daryl Powell, and Eivind Reke (Lean Enterprise Institute, 2019) p. 2.