Definition och Betydelse av "money has no smell"

What is the origin of the proverb "money has no smell" and when to use it?

The proverb "money has no smell" originates from ancient Rome, attributed to the Roman Emperor Vespasian in the 1st century AD. It is based on a story where Vespasian imposed a tax on public urinals and, when questioned about the morality of accepting money from such a source, he allegedly remarked that money itself has no smell. The saying suggests that people often overlook the source of wealth if it serves their purposes. It reflects a pragmatic view that money is seen as valuable regardless of the means by which it was obtained.