Who said "To understand an enemy, one must become the enemy."?

This quote is attributed to The Bride.

To understand an enemy, one must become the enemy. - The Bride

"To understand an enemy, one must become the enemy."

The Bride Philosophy

"I am my mother's daughter. I am a killer."

"The only thing standing between you and oblivion is me."

"I have all the time in the world."

"You know, for a man who says he's not much of a fighter, you fight pretty good."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."