What is source of phrase ';children was their hands with soap while eating bread'; ??

typo: ';was'; should read ';wash';What is source of phrase ';children was their hands with soap while eating bread'; ??
Sounds like it came from a children's bookWhat is source of phrase ';children was their hands with soap while eating bread'; ??
its not good question chidrend can not wash two hands and in same time eat bread
erm what?
Never heard of this phrase