What you have said strikes me as pure superstition.
This led to the development of pure superstition and the awesome, irrational fear of all ultraterresrrials.
In Western nations, such facts were doubted, regarded often as pure superstition.
It would be more correct to say that... well, it's pure superstition, of course, but they think he's lucky.
But it would be pure superstition, unworthy of an augur.
That kind of destructive theory is where religion sinks into pure superstition.
"It could be that any women's blood does the trick, and the nursing-mother bit is pure superstition."
Militarism was kept alive not by vested interest but by pure superstition.
This is just rightwing superstition, pure and simple.
"I know her fears are the purest superstition in the form she expresses them, but they may be well founded just the same."