Warmth of Summer, Cold of Winter, John Steinbeck, Travels with Charley: In Search of America

“What good is the warmth of summer, without the cold of winter to give it sweetness.” ― John Steinbeck, Travels with Charley: In Search of America

Found on Goodreads at https://www.goodreads.com/author/quotes/585.John_Steinbeck.