Titus 1 15
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;
Compare with other 3 random translations
ASV Titus 1:15To the pure all things are pure: but to them that are defiled and unbelieving nothing is pure; but both their mind and their conscience are defiled.
GNV Titus 1:15Vnto the pure are all things pure, but vnto them that are defiled, and vnbeleeuing, is nothing pure, but euen their mindes and consciences are defiled.
NIV Titus 1:15To the pure, all things are pure, but to those who are corrupted and do not believe, nothing is pure. In fact, both their minds and consciences are corrupted.