Who said "Somehow, I think I can make this work."?

This quote is attributed to George Costanza.

Somehow, I think I can make this work. - George Costanza

"Somehow, I think I can make this work."

George Costanza Perseverance

"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."

"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."