“You must not fall. When you lose your balance, resist for a long time before turning yourself toward the earth. Then jump. You must not force yourself to stay steady. You must move forward.”
I just finished Let the Great World Spin by Colum McCann. It is a wonderful book, highly recommend. Followed it up by watching the documentary Man on Wire (streaming on Netflix…), definitely worth watching.
Along the same lines (ha), coincidentally, a few weeks ago I came across this article. Extreme walking.