why is it dangerous to have a peacetime army?

Standing Armies: The Constitutional Debate - Journal of the American Will your mace-bearer be a match for a disciplined regiment?, Henry St. George Tucker in Blackstones 1768 Commentaries on the Laws of England: Wherever standing armies are kept up, and when the right of the people to keep and bear arms is, under any color or pretext whatsoever, prohibited, liberty, if not already annihilated, is on the brink of destruction., Commonwealth of Virginia in 1788: that standing armies in time of peace are dangerous to liberty, and therefore ought to be avoided, as far as the circumstances and protection of the community will admit; and that in all cases the military should be under strict subordination to and governed by the civil power., Pennsylvania Convention: as standing armies in time of peace are dangerous to liberty, they ought not to be kept up; and that the military shall be kept under strict subordination to and be governed by the civil power., U.S. State Department website: Wrenching memories of the Old World lingered in the 13 original English colonies along the eastern seaboard of North America, giving rise to deep opposition to the maintenance of a standing army in time of peace. The means of defense against foreign danger, have been always the instruments of tyranny at home. For those who have little or no contact with the military, many of the customs and traditions Akam describes in his weighty tome might be regarded as exotic. The means of defence against foreign danger, have been always the instruments of tyranny at home. But in so doing, although the magnanimity of their minds will be extinguished, yet the meaner passions of resentment and revenge will be increased, and these in turn will be the ready and obedient instruments of despotism to enslave the others; and that with an irritated vengeance. A Standing Army in Peacetime with Alexander Hamilton - Federalist #25 Akam pulls the curtain back further on the secret deals between British intelligence and the militants in Iraq. But only a change in U.S. foreign policy can stop the evil that is Americas standing army. As they are a body of men exempt from the common occupations of social life, having an interest different from the rest of the community, they wanton in the lap of ease and indolence, without feeling the duties, which arise from the political connection, though drawing their subsistence from the bosom of the state.