Who said "I've hit rock bottom. There is nowhere to go but up."?

This quote is attributed to George Costanza.

I've hit rock bottom. There is nowhere to go but up. - George Costanza

"I've hit rock bottom. There is nowhere to go but up."

George Costanza Hope

"I'm out there Jerry, and I'm lovin' every minute of it."

"These pretzels are making me thirsty."

"Master of my domain."

"It's not a lie if you believe it."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."