" I felt inspired by Karl and determined to lift greater pound-ages myself, to work on the one lift I was already fairly good at—the squat. Training intensively, even obsessively, at a small gym in San Rafael, I worked up to doing five sets of five reps with 555 pounds every fifth day. The symmetry of this pleased me but caused amusement at the gym—“Sacks and his fives.” I didn’t realize how exceptional this was until another lifter encouraged me to have a go at the California squat record. I did so, diffidently, and to my delight was able to set a new record, a squat with a 600-pound bar on my shoulders. This was to serve as my introduction to the power-lifting world; a weight-lifting record "

― Oliver Sacks , On the Move: A Life