A commentary article was published in the Journal of the Robotics Society of Japan under the title ‘Robot Control by World Models and Predictive Learning’. This article is co-authored by Prof. Tadahiro Taniguchi, Ph.D. student Mr.Katsuyoshi Maeyama and alumni Mr.Akira Kinose. We hope you will read this. DOI: https://doi.org/10.7210/jrsj.40.790