Who said "I see what you're doing, and it won't work."?

This quote is attributed to Michonne.

I see what you're doing, and it won't work. - Michonne

"I see what you're doing, and it won't work."

Michonne

"We are the walking dead. But the difference is we are still fighting."

"You can't just decide to be brave. You have to act brave."

"Keeping your humanity is the hardest thing to do when the world tries to take it away."

"Every choice we make defines who we are."