Its forces, they say, are trying to guarantee security even as they act to defend themselves.
And when these real-world components meet the clever academic theorems that guarantee security, holes emerge.
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There is concern about how long there will be a foreign presence to guarantee security, and how stable the newly-appointed government might be.
Guerrero has seen a growing movement of self-defence groups in response to violent criminal gangs and the failure of police to guarantee security.
Guarantee security tools being shipped and used are installed as they should be, and encourage administrators and users to be trained in how to use tools.
Both of us focused very much on political methods of conflict resolution and solving threats, and I believe that this is the best way to guarantee security to Poland.
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It "aimed to echo the message of peace and friendship to the neighboring states and guarantee security of the seafaring and shipping lines vis-a-vis sea piracy, " the news agency said.
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The strategy will lay plans to guarantee security of supply of gas into the UK. The chancellor believes gas will probably be relatively cheap in future and does not want to burden the UK economy with high energy prices.
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The Clinton White House believes an interlocking structure of arms control agreements can guarantee national security.
And even if the indigenisation rules were suspended or scrapped, that would be no guarantee of security.
Brazil has plans in place to "guarantee the security for the general population, tourists and athletes, " he added.
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Many would like to go home, if the government would guarantee their security.
"Investment in energy efficiency and renewables is the only reliable way to guarantee energy security, " said Silvia Hermann, from Friends of the Earth Europe.
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An estimated 6, 000 French expatriates are said to live in Bamako and one of the tasks of the French mission is to guarantee their security.
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Earlier this month, Serbia rejected an agreement proposal because the terms did not "guarantee full security and protection of human rights to the Serb people in Kosovo".
While the authorities say they cannot guarantee the security of aid agencies in rebel areas, officials say supplies have been reaching a similar number of displaced people in government territory.
In October, when plans were being made to take the first group of Eritreans to Eritrea via the border near Bure in the north-east, the Eritrean Government said it could not guarantee the security of people travelling on that route.
Putting in place a new constitution and strengthening your institutions and the rule of law will not only unleash the energy of the youth, deepen the roots of your democracy, and ultimately guarantee your security -- it will also further open the door to major American development programs like the Millennium Challenge.
"World events demonstrate that in an unpredictable era our country needs the ultimate security guarantee, " he said.
The group said it could no longer guarantee the necessary security conditions to release the backpackers, as planned, before Christmas.
While the 'ndrangheta threatens, strikes and keeps business under siege, the state fails in its duty to guarantee the physical security that firms need.
And on Israel-Palestine, he stated that the stalemate would only be broken with the creation of a viable Palestinian state and a guarantee of Israeli security.
Surely our sophisticated European friends would appreciate our sense of Realpolitik in ensuring that they don't make a moral hazard of our guarantee of their security.
And it maintains the flexibility that we need to protect and advance our national security, and to guarantee our unwavering commitment to the security of our allies.
Iran would have to get an ironclad, credible security guarantee.
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Ultimately, Mr Enkhbayar admits, just as the Democrats did, that a liberal business climate that welcomes western, Japanese and South Korean investment is the best guarantee of national security.
Its prime ministerial aspirant, Atal Behari Vajpayee, never misses a chance to state that his party will guarantee the physical security of minorities in general and Muslims in particular.
America and the Philippines still have a mutual defence treaty, and Philippine politicians and journalists are now talking about getting America to extend its security guarantee to cover the disputed islands.
But with another eye on the crucial general elections next year, he liberally raised public expenditure for the coming financial year (2013-14) on welfare schemes such as rural roads, employment guarantee and food security.
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