Write whether the following statement is True or False. Justify your answer.
If a quantity $B$ is a part of another quantity $A$,then $A$ can be written as the sum of $B$ and some third quantity $C$.

(TRUE) The given statement is True.
According to Euclid's Axiom,"The whole is greater than the part."
Specifically,Euclid's third common notion states that if a quantity $B$ is a part of another quantity $A$,there exists another quantity $C$ such that $A = B + C$.