This is called the police power, and it is declared by Chief Justice Shaw, that it is much easier to perceive and realize the existence and sources of it than to mark its boundaries, or prescribe limits to its exercise.

—every holder of property, however absolute may be his title, holds it under an implied liability that its use shall not be injurious to the equal rights of another in the enjoyment of his property; nor injurious to the rights of the people of a community.

—we refer to is rather the police power; the power vested in the Legislature by the Constitution to make, ordain, and establish all manner of wholesome and reasonable laws, statutes and ordinances, either with penalties or without, not repugnant to the Constitution, as they shall judge to be for the good and welfare of the commonwealth, and of the subjects of the same. It is …

Bl. Com., 162.)—Jeremy Bentham, in his "General View of Public Offenses," defines it to be a system of precaution for the prevention of crimes or of calamities.-With regard to its effect upon the use and enjoyment of property, the object being to exhibit the universality of its presence, and to define the limits which settled principles of constitutional law assign to its …

—a law establishes a certain distance from a village, nearer than which a powder-magazine or slaughter-house should not be erected.