The symbol most people call the law scale is properly known as the Scales of Justice. It is a two-pan balance held by a robed female figure called Lady Justice, and it stands for the idea that a legal decision should come from weighing the evidence and arguments on each side fairly, without regard to who the parties are. The image is thousands of years old and the meaning has stayed remarkably consistent: two sides, measured against each other, and whichever is heavier wins.
What the Image Actually Shows
The central object is a horizontal beam resting on a single support, with a shallow pan hanging from each end at equal distance from the center. Put weight on one side and the beam tips. Put equal weight on both and it sits level. That is the whole mechanism, and its plainness is part of why it has worked as a symbol for so long. You see it and you understand it.
Around that balance, depictions vary. Lady Justice usually holds the scales in one hand with her arm extended. She often carries a sword in the other. In many Western versions she wears a blindfold. Some statues add a book of law, a globe beneath her feet, or a snake crushed under her heel. The scale is the one piece that appears in nearly every version; everything else is optional.
What Each Part Means
The Scale
The balance represents weighing the evidence and arguments from opposing sides of a dispute. A level beam means neither party has been given an unfair advantage. The point of the image is that facts and reasoning, not wealth or connections, should decide the outcome.
The Sword
The sword stands for the enforcement power behind a legal decision. A ruling without the ability to carry it out is just an opinion. The sword is frequently drawn double-edged to show that the law cuts both ways: it protects the innocent and punishes the guilty. It is also a reminder that legal authority has real consequences.
The Blindfold
When Lady Justice wears a blindfold, the message is that justice should be blind to the identity of the people in front of her. Rich or poor, powerful or ordinary, the facts should be weighed the same way. The blindfold is probably the most recognized element after the scales themselves, though its history is stranger than most people realize.
The Book and Other Additions
Some modern depictions put a book in Lady Justice’s hands to represent written law or a constitution. The Contemplation of Justice statue at the entrance to the U.S. Supreme Court Building, sculpted by James Earle Fraser, shows a seated female figure with a book of laws under her left arm and a small figure of blindfolded Justice in her right hand.1Supreme Court of the United States. Contemplation of Justice A globe beneath her feet signals that justice applies universally. A snake underfoot represents the triumph of justice over evil.
Where the Symbol Comes From
Ancient Egypt
The link between a scale and moral judgment is far older than any Western legal system. In ancient Egypt, the goddess Ma’at personified truth, justice, and cosmic order, and was typically shown as a woman with an ostrich feather on her head.2Britannica. Maat – Egyptian Goddess3The Rosicrucian Egyptian Museum. Deities in Ancient Egypt – Ma’at Egyptian belief held that after death, a person’s heart was placed on a scale opposite Ma’at’s feather of truth. If the heart balanced with the feather, the person passed into the afterlife. If it was heavier, a monster called Ammit devoured it on the spot.4National Institutes of Health. The Book of Death: Weighing Your Heart That is the core image legal systems still use: a scale that reveals whether someone has lived rightly.
Greece and Rome
Greek mythology carried the scale forward through two figures. Themis was a Titan goddess associated with divine law, custom, and prophecy, and the Greek word “themis” itself referred to divine law and established rules of conduct. Her daughter Dike represented a more earthly version of justice, dealing with fairness among mortals, and Dike was the figure more often shown carrying balance scales in Greek art.
The Roman goddess Justitia drew from both and became the direct ancestor of today’s Lady Justice. Roman depictions showed her holding scales and a sword, sometimes blindfolded. When Western legal traditions needed a personified image of justice for courthouses and official seals, Justitia was the model they used.
The Blindfold Started as an Insult
Most people assume the blindfold has always been part of the image and has always meant impartiality. Neither is true. The earliest known depiction of a blindfolded Justice is a woodcut from 1494 illustrating Sebastian Brant’s satirical book The Ship of Fools, printed in Basel, Switzerland.5Yale Law Library. The Fool Blindfolding Justice In that image, a fool is placing the blindfold on Justice. Brant was criticizing corrupt courts and pointless legal quarrels, and the blindfold meant that justice was literally unable to see what was happening in front of her.
At the end of the fifteenth century, in other words, the blindfold was a negative attribute. The transformation from insult to ideal happened gradually over the following centuries, as later artists and legal thinkers reinterpreted it as impartiality rather than ignorance. By the time Lady Justice statues started going up on courthouses across Europe and the Americas, the blindfold had become aspirational.
Even now, not every depiction includes it. The Lady Justice statue atop the Old Bailey courthouse in London, one of the most photographed justice figures anywhere, carries a sword and scales and wears no blindfold. Including or omitting it is still a choice that carries meaning.
Why the Symbol Has Lasted
The Scales of Justice have survived for roughly three thousand years because the metaphor reads instantly. You do not need legal training or cultural background to look at a balance and grasp the idea of fairness. The image works across languages and legal traditions because it taps something people recognize on their own: both sides of a dispute deserve equal consideration before anyone decides who is right.
The symbol also lasts because it represents an aspiration rather than a guarantee. Courts do not always achieve perfect impartiality, and the artists who built these images knew that. The satirical origin of the blindfold is a useful reminder that legal symbolism has always carried both hope and critique. The scales on a courthouse do not announce that the system inside is flawless. They state what the system is supposed to be trying to do.