“human urine is both nutrient-rich and an effective tooth whitener”

“Running is the heart of what it means to be human.”

“Know why people run marathons? …Because running is rooted in our collective imagination, and our imagination is rooted in running. Language, art, science; space shuttles, Starry Night, intravascular surgery; they all had their roots in our ability to run. Running was the superpower that made us human — which means its a superpower all humans posses.”

“...there was some kind of connection between the capacity to love and the capacity to love *running*. The engineering was certainly the same: both depended on loosening your grip on your own desires, putting aside what you wanted and appreciating what you've got, being patient and forgiving and... undemanding...maybe we shouldn't be surprised that getting better at one could make you better at the other.”

“[He] coluldn't quite put his finger on it, but his gut kept telling him that there was some kind of connection between the capacity to love and the capacity to love *running*. The engineering was certainly the same: both depended on loosening your grip on your own desires, putting aside what you wanted and appreciating what you got, being patient and forgiving and undemanding.”

“Vigil couldn't quite put his finger on it, but his gut kept telling him that there was some kind of connection between the capacity to love and the capacity to love running. The engineering was certainly the same: both depended on loosening your grip on your own desires, putting aside what you wanted and appreciating what you got, being patient and forgiving and undemanding.”

“Whenever an art form loses its fire, when it gets weakened by intellectual inbreeding and first principles fade into stale tradition, a radical fringe eventually appears to blow it up and rebuild from the rubble. Young Gun ultrarunners were like Lost Generation writers in the ’20s, Beat poets in the ’50s, and rock musicians in the ’60s: they were poor and ignored and free from all expectations and inhibitions. They were body artists, playing with the palette of human endurance.”