Poetry as Precise as Geometry

Poetry as Precise as Geometry is a memento found in Silent Hill: Shattered Memories. Harry Mason finds it inside the glove compartment of John's car. The memento is an old pen, inscribed with the words "Everything one invents is true".

Symbolism
"Poetry as Precise as Geometry" likely represents Cheryl Mason's "invention" of Harry in her mind, composing a heroic identity that was not entirely her father's.