Definition
A Latin maxim meaning "let it be worth what it is worth" or "let it have such weight as it deserves." Applied in evidentiary and argumentative contexts, the phrase signals that a piece of evidence, testimony, or legal argument should be received and considered for whatever probative value it actually carries — no more, no less. The maxim does not endorse or condemn the material in question; it functions as a neutral instruction to weigh rather than exclude.
In practice, the phrase appears in two closely related contexts:
1. Evidentiary weight: Evidence that is technically admissible but of uncertain reliability is admitted valeat quantum — let the trier of fact assign it the weight it deserves.
2. Argumentative concession: An advocate may introduce a point with this phrase to acknowledge that a particular authority or argument is imperfect, while still urging that it carries some weight in the analysis.
Why It Matters in Research
This is a maxim of weight, not admissibility. Researchers encountering valeat quantum in historical opinions or treatises should resist reading it as a ruling on the threshold question of whether evidence comes in at all. The phrase typically appears after admissibility is settled, as the court turns to the separate question of how much credence to extend.
Because the phrase is Latin and appears without translation in older decisions and treatises, it is easily skipped over or misread. In historical common law sources, courts used the maxim to navigate the tension between excluding unreliable evidence outright and letting juries perform their fact-finding function. The phrase represents a preference for admission-with-skepticism over exclusion.
Researchers working in evidentiary history should note that the weight-versus-admissibility distinction that valeat quantum implicitly invokes was far less systematized in pre-codification common law. The maxim carried more operational weight when courts had fewer formal exclusionary rules and relied more heavily on ad hoc instructions about credibility and probative value.
In treatise literature, the phrase occasionally appears outside the evidentiary context — in contract interpretation, for instance, where a recital or term of doubtful legal effect is treated as carrying whatever contractual weight it can bear, rather than being voided outright. This secondary usage is less common but worth flagging when reading older equity or chancery materials.
Historical Dictionary Support
Rapalje & Lawrence render the maxim as "Let it have its weight, small or great," which is the most compact and useful formulation. Their entry also includes a separate term — VALEC, VALECT, or VADELЕТ — referring to a young gentleman or gentleman of the chamber, a feudal status term drawn from Cowell. These are entirely unrelated concepts that happen to appear in proximity in the original source, and researchers should not treat them as connected.
The Rapalje & Lawrence definition captures the essential neutrality of the phrase: the "small or great" framing confirms that the maxim neither inflates nor diminishes the material in question. What it insists upon is that the material not be ignored entirely.
No entry for this maxim appears in Black's earlier editions with meaningful elaboration, and it is absent from Bouvier's principal editions, which suggests it was treated as a well-understood Latinate shorthand rather than a term requiring doctrinal development. This absence is itself informative: the maxim belongs to the working vocabulary of courts and advocates, not to the architecture of formal legal doctrine.
Jurisdictional Note
No significant jurisdictional variation. The maxim is a common law inheritance used across English and American courts wherever evidentiary weight was discussed in Latin-inflected legal prose. Modern opinions rarely invoke it by name, though the underlying principle is universal.