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VIGILANCE. Proper attention in proper time.
     2. The law requires a man who has a claim to enforce it in proper time, while the adverse party has it in his power to defend himself; and if by his neglect to do so, he cannot afterwards establish such claim, the maxim vigilantibus non dormientibus leges subserviunt, acquires full force in such case. For example, a claim not sued for within the time required by the acts of limitation, will be presumed to be paid; and the mere possession of corporeal real property, as if in fee simple, and without admitting any other ownership for sixty years, is a sufficient title against all the world, and cannot be impeached by any dormant claim. See 3 Bl. Com. 196, n; 4 Co. 11 b. Vide Twenty years.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
The group also warned the public to remain vigilant in reading the online platforms and be wary of fake news and disinformation.
We urge you to be vigilant and check the source before clicking any link or file in emails," the lender said in a statement sent to its customers.
"Please be vigilant, lock your car doors and keep your valuables out of sight."
'Please let us be vigilant, and God will continue to expose the evil doers,' he said.
Croma Vigilant also won the award for Outstanding Large Business Award on the night.
This acquisition enables Vigilant Solutions to provide the law enforcement community with firearm forensic mapping and DNA crime mapping technology that complement its existing suite of artificial intelligence solutions, which currently include automated license plate reader data, facial recognition technology and ballistics analysis solutions.
Vigilant Solutions' technology is meant to help law enforcement solve crimes faster to keep officers and communities safe.
Clarifying a statement he made on Tuesday, Justice Secretary Menardo Guevarra said on the sidelines of his appointment confirmation hearing on Wednesday is 'open to review the [validity of those] contracts' with Vigilant.
He also asked the Competition Commission of Pakistan to remain vigilant that no cartelization takes place.
Islamabad -- While talking strong notice of consecutive rise in prices of essential commodities, the National Price Monitoring Committee, Thursday, desired that the provincial governments should be more vigilant in controlling prices.
Global Banking News-April 6, 2018--Singapore central bank asks banks to be vigilant against cyber threats