The other species of philosophers consider man in the light of a reasonable rather than an active being, and endeavour to form his understanding more than cultivate his manners.
And these three: 1. the law over them that have sovereign power; 2. their duty; 3. their profit: are one and the same thing contained in this sentence, Salus populi suprema lex; by which must be understood, not the mere preservation of their lives, but generally their benefit and good. So that this is the general law for sovereigns: that they procure, to the uttermost of their endeavour, the good of the people.
As we shall find it necessary, in our endeavours to bring electrical phenomena within the province of dynamics, to have our dynamical ideas in a state fit for direct application to physical questions we shall devote this chapter to an exposition of these dynamical ideas from a physical point of view.
Wikipedia foundation.