The energy of the universe is constant..

The total energy of the universe is constant; the total entropy is continually increasing..

The fundamental laws of the universe which correspond to the two fundamental theorems of the mechanical theory of heat. 1. The energy of the univers….

In all cases where work is produced by heat, a quantity of heat proportional to the work done is expended; and inversely, by the expenditure of a lik….

The algebraic sum of all the transformations occurring in a cyclical process can only be positive, or, as an extreme case, equal to nothing. Statemen….

The entropy of an isolated system not in equilibrium will tend to increase over time, approaching a maximum value at equilibrium..

Heat can never pass from a colder to a warmer body without some other change, connected therewith, occurring at the same time..

The entropy of the universe tends to a maximum..