Who said "The real battle isn't in the arena—it's in your head."?

This quote is attributed to Haymitch Abernathy.

The real battle isn't in the arena—it's in your head. - Haymitch Abernathy

"The real battle isn't in the arena—it's in your head."

Haymitch Abernathy Perseverance

"I'm drunk. I'm always drunk. Nobody's complained yet."

"You really want to know how to stay alive? You get people to like you."

"Katniss, there's no district twelve anymore."

"I'm not great with people. But I love Katniss and Peeta."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."