Who said "The key to a good life is learning to say no."?

This quote is attributed to Frank Costanza.

The key to a good life is learning to say no. - Frank Costanza

"The key to a good life is learning to say no."

Frank Costanza Wisdom

"These pretzels are making me thirsty."

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

"Giddy up!"

"The sea was angry that day, my friend."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."