falsehood
A quote by Vergil.
Rumor grows while it goes
Related
Nothing is more amiable than true modesty, and nothing more contemptible than the false
A lie has no legs
A lie will go round the world while truth is pulling its boots on
People always make war when they say they love peace
He who knows how to flatter also knows how to slander
The most dangerous of all falsehoods is a slightly distorted truth