is the way to know what things are truly lawful.

circumstances, natural or adventitious, which are inherently or legally necessary to render him eligible to fill an office or to perform a public duty or function. Thus, the ownership of a freeliold estate may be made the qualification of a voter; so the possession of a certain amount of stock in a corporation may be the qualification necessary to enable one to serve on its board of directors. Cummings v. Missouri, 4 Wall, 319, 18 L. Ed. 356; People y. Palen, 74 Hun, 289, 26 N. Y. Supp. 225; Hyde v. State, 52 Miss. 665.