What are corners?

Famous quotes containing the word corners:

“Ink runs from the corners of my mouth.
There is no happiness like mine.
I have been eating poetry.”
—Mark Strand (b. 1934)

“Critics are sentinels in the grand army of letters, stationed at the corners of newspapers and reviews, to challenge every new author.”
—Henry Wadsworth Longfellow (1807–1882)

“But a blind man’s cane poking, however clumsily, into the inmost corners of the house.”
—John Ashbery (b. 1927)