Berean Standard Bible (BSB)
To the pure, all things are pure; but to the defiled and unbelieving, nothing is pure. Indeed, both their minds and their consciences are defiled.
World English Bible (WEB)
To the pure, all things are pure; but to those who are defiled and unbelieving, nothing is pure; but both their mind and their conscience are defiled.
Strong's King James
Unto the pure{G2513} all things{G3956} are pure{G3303}{G2513}: but{G1161} unto them that are defiled{G3392}{(G5772)} and{G2532} unbelieving{G571} is nothing{G3762} pure{G2513}; but{G235} even{G2532} their{G846} mind{G3563} and{G2532} conscience{G4893} is defiled{G3392}{(G5769)}.
The F.O.G *
(15) To the pure, everything is pure but to those who are defiled and unbelieving, nothing is pure, yet their mind and their conscience are defiled.
The F.O.G Message *
Young's Literal Translation
all things, indeed, are pure to the pure, and to the defiled and unstedfast is nothing pure, but of them defiled are even the mind and the conscience;