Finnish wisdom

Following up on the last post, here's a rather different allusion to Finnishness, this time in the opening chapter of F. Scott Fitzgerald's novel The Great Gatsby:

He found the house, a weatherbeaten cardboard bungalow at eighty a month, but at the last minute the firm ordered him to Washington, and I went out to the country alone. I had a dog - at least I had him for a few days until he ran away - and an old Dodge and a Finnish woman, who made my bed and cooked breakfast and muttered Finnish wisdom to herself over the electric stove.