Henry Petroski

The graphite core of a pencil is a perfect metaphor for the contrast between permanence and impermanence.

The act of writing is an extension of thought, facilitated by the humble pencil.

Every time we use a pencil, we engage in an act of creation.

Pencils are not just for writing; they are tools for thinking and problem-solving.

In the hands of an artist, a pencil can become a powerful instrument of change.

The pencil is a remarkable instrument of design that has survived the ups and downs of technology.

A pencil is not just a tool; it is a companion to our thoughts and dreams.

Every pencil tells a story, from the materials used to the hands that wield it.

Pencils have evolved over centuries, reflecting changes in technology and culture.

The design of the pencil has remained largely unchanged, a testament to its perfect form.