Saying

[mike1222]

Like NSWF is "No smoke without fire"
What is STR BNP?

[Mamyalynne]

A it of a long shot but if they are two saying could be :

Spare the rod (and spoil the child)

(Fine words) Butter no parsnips

but that makes them partial sayings sorry

[mike1222]

Thanks mamy, but it's just the one phrase.