Human Purity Projects - F.A.S.T.E.R. SCALE

The righteousness as filthy rags refers to used tampons. Given God commanded the Israelites to stay away from their wives while they were menstruating, this reference shows God's aversion, literally holding his nose rather than smelling the sweet aroma of worship, when people try to purify themselves through Self-effort. The F.A.S.T.E.R. scale is really a used tampon.