King James Version
Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.English Standard Version
To the pure, all things are pure, but to the defiled and unbelieving, nothing is pure; but both their minds and their consciences are defiled.Catholic Public Domain Version
All things are clean to those who are clean. But to those who are defiled, and to unbelievers, nothing is clean; for both their mind and their conscience have been polluted