“A circle is a round straight line with a hole in the middle” By Mark Twain, quoting a schoolchild in “English as She Is Taught”, Century Magazine, May 1887. 

The above quote describes how circle looks. Here is an image describing the circle.

8th Grdae math Students are to find quotes from literature on Circles and then relate those to pictures (can find those from internet) which describe circles. Pictures can be anything that resemble circles.

This is a good practice on teaching geometric figures.

The idea is taken from Visualize that quote, which is to explain a quote using a picture.