When In Doubt

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.
Romans 14:23

I would leave all such questions [about debatable amusements] to a Christian's own judgment, but let him always remember that, although a thing may be right to other people, it may be wrong to him; and it is wrong to him if he has any doubts about it. The apostle Paul said, "Whatsoever is not of faith is sin;" that is, whatever a man cannot do, believing it to be right, is sin to him. If I have any doubt about anything, it is sin to me; though it may not be sinful in itself. Conscience must be the great judge on those points that do not involve morality or immorality; and we thank our God that He has given each of us who know His Name that inward Monitor, the Holy Spirit, who is infinitely superior to our own conscience, and if we go on our knees, and ask Him for direction, we shall not be misled as to our amusements or anythinge else. Our Puritanical forefathers may have been a little too strict, but many, nowadays, have become a great deal too loose. If we became more holy by being more Puritanic and precise, both the Church of Christ and the world at large would have good reason to rejoice.

--Charles Spurgeon, Autobiography Volume 2: The Full Harvest, p.121.

So whoever knows the right thing to do and fails to do it, for him it is sin.
James 1:17