Romans 14:23

But he who discerns, if he eats, is condemned, because it is not of faith. For all that is not of faith is sin

Other versions

King James Version

And he that doubteth is damned if he eat, because he eateth not of faith: for whatsoever is not of faith is sin.

English Standard Version

But whoever has doubts is condemned if he eats, because the eating is not from faith. For whatever does not proceed from faith is sin.

New International Version

But the man who has doubts is condemned if he eats, because his eating is not from faith; and everything that does not come from faith is sin.