Consider the humble letter “e.” It is the most common letter in the English language, appearing in roughly one out of every eight letters we type or write. Now imagine trying to write an entire short story without using that letter even once. This is not a mere party trick. It is a deliberately imposed creative constraint known as a lipogram, and it is one of the most effective ways to force your brain out of its comfortable grooves.

The principle behind imposing arbitrary constraints is simple: your creative mind loves patterns and shortcuts. When you sit down to write, paint, design, or compose, your first ideas are usually the ones that come easiest because your brain has traveled those neural pathways many times before. These ideas are safe, predictable, and often boring. By introducing an obstacle that makes the familiar path impossible, you force your thinking to detour into uncharted territory. The result is often something you would never have discovered if you had kept all your tools available.

Take the lipogram as a specific example. The French novelist Georges Perec wrote an entire novel called La Disparition without using the letter “e,” and then had it translated into English as A Void while preserving the same constraint. Far from producing a gimmicky mess, the book is a masterpiece of playful invention. Perec had to find unusual synonyms, rearrange sentence structures, and invent new phrasings that somehow sounded natural. The constraint did not stifle his creativity; it spurred it.

The reason this works is that constraints force you to trade fluency for flexibility. When you cannot use the most common word endings or the most natural prepositions, you must scan your entire vocabulary for alternatives. That scanning process engages parts of your brain that normally lie dormant during routine creative work. You start noticing connections between words you never considered before. A phrase like “I have to go” becomes “I must depart.” A simple description of the color red becomes “a hue like a rose’s bloom.” Each substitution is a tiny act of creative problem-solving that builds momentum.

Arbitrary constraints also eliminate the paralyzing problem of unlimited choice. Facing a blank page with infinite possibilities can freeze even experienced artists. But when you add a rule such as “no words containing the letter ‘e’,” you suddenly have a clear, non-negotiable boundary. Your job is no longer to generate something brilliant from nothing. Your job is to work within a defined game. That game gives you focus. You stop worrying about whether the story is good enough and start worrying about how to say “yes” without the letter that starts “yes.” It is a concrete puzzle, not an abstract demand for genius.

You do not need to be a novelist to apply this technique. A graphic designer could forbid herself from using any curved lines in a logo for a week. A musician could compose a song using only the white keys on a piano. A chef could cook a three-course meal without using any salt. In each case, the constraint removes a crutch you rely on every day. Suddenly you must discover flavors from acidity and bitterness instead of salt. You must build rhythm and tension from intervals you usually avoid. You must construct a visual identity from straight edges and angles, forcing you to think about alignment and negative space in new ways.

There is a common fear that arbitrary constraints will produce ugly or artificial results. The opposite is often true. When you work within a tight rule, every element you include must earn its place. There is no room for lazy filler. Your writing becomes tighter because you cannot fall back on clichés that use common letters. Your design becomes bolder because you cannot hide behind the safety of curves. The constraint becomes a lens that compresses your creative energy into a sharper beam.

The key is to choose a constraint that is just difficult enough to feel uncomfortable but not so absurd that it becomes impossible. Start with a small project. Write a single paragraph without the letter “e.” If you fail, try again with a different letter—maybe skip “t” or “a.” Notice how the words that survive feel strange and new on your tongue. Then ask yourself: where else in your creative work could you remove one common tool? The answer is always somewhere, and the discovery is always worth the struggle.