“'You cannot roll with me,' said the Big O, 'but perhaps you can roll by yourself.'
‘By myself? A missing piece cannot roll by itself.’
‘Have you ever tried?’ asked the Big O.”—Shel Silverstein, The Missing Piece Meets the Big O
“Yes we’ll walk with a walk that is measured and slow,
and we’ll go where the chalk-white arrows go,
for the children, they mark, and the children, they know,
the place where the sidewalk ends.”—Shel Silverstein, “Where the Sidewalk Ends”