Who said "The key is to appreciate the good things in life."?

This quote is attributed to Frank Costanza.

The key is to appreciate the good things in life. - Frank Costanza

"The key is to appreciate the good things in life."

Frank Costanza Gratitude

"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."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"