Who said "Kindness is a luxury we've learned we can't afford to lose."?

This quote is attributed to Michonne.

Kindness is a luxury we've learned we can't afford to lose. - Michonne

"Kindness is a luxury we've learned we can't afford to lose."

Michonne Kindness

"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."

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."