Yes I do know the commandment not to bear false witness, yet you just did it by claiming I am adding to the scriptures which I am not.
Where did I change it at, the word belief with obey. Well I have some eye opening news for you, for a believer is one who obeys. You can not be a believer and not obey, for He is not your Lord if you do not do what He says;
Luke 6:46-49
And why call ye me, Lord, Lord, and do not the things which I say? Whosoever cometh to me, and heareth my sayings, and doeth them, I will shew you to whom he is like: He is like a man which built an house, and digged deep, and laid the foundation on a rock: and when the flood arose, the stream beat vehemently upon that house, and could not shake it: for it was founded upon a rock. But he that heareth, and doeth not, is like a man that without a foundation built an house upon the earth; against which the stream did beat vehemently, and immediately it fell; and the ruin of that house was great.
One who hears only but does not do does not have salvation, for they are a disobedient servant.
And disobedience is called a sin of unbelief.