Who said "I've learned that solitude isn't the same as loneliness."?

This quote is attributed to Michonne.

I've learned that solitude isn't the same as loneliness. - Michonne

"I've learned that solitude isn't the same as loneliness."

Michonne Solitude

"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."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."