Who said "Twice, maybe. Never the same move three times."?

Miyamoto Musashi (c. 1584–1645). Source: The Book of Five Rings, Fire (Mountain and Sea).

What is the original Japanese?

同じ事二度は是非に及ばず、三度するに非ず. Translated from the original Japanese by Spartan Surfers.

Twice, maybe. Never the same move three times.

Miyamoto Musashi, The Book of Five Rings, Fire (Mountain and Sea)

The source

"Twice, maybe. Never the same move three times." Miyamoto Musashi said it in The Book of Five Rings, Fire (Mountain and Sea). Translated from the original Japanese by Spartan Surfers.

"同じ事二度は是非に及ばず、三度するに非ず"

Original Japanese, The Book of Five Rings, Fire (Mountain and Sea). Japanese: Miyamoto Musashi (Kinkodo, 1909), NDL digital text.

Who said it

Miyamoto Musashi (c. 1584–1645). Undefeated swordsman who wrote The Book of Five Rings in a cave a few weeks before he died.

Questions

Who said "Twice, maybe. Never the same move three times."?: Miyamoto Musashi (c. 1584–1645). Source: The Book of Five Rings, Fire (Mountain and Sea).
What is the original Japanese?: 同じ事二度は是非に及ばず、三度するに非ず. Translated from the original Japanese by Spartan Surfers.