This law states that, despite chemical reactions or physical transformations, mass is conserved — that is, it cannot be created
or destroyed — within an isolated system. In other words, in a chemical reaction, the mass of the products will always be equal to the mass of the reactants.
The Declaration maintains a confident and declarative tone throughout. Jefferson uses active verbs, such as "we hold" and "prudence will dictate" to reaffirm this commanding tone
