It is a half-truth if it does not fit your theory?
Theory? Which one of the following two scriptures is theory would you say?
>>James 2:24, 26 - You see that a person is justified by works and not by faith alone... For just as the body without the spirit is dead, so faith without works is also dead.
Now lets continue on beyond the Satanic half truth always put forth.
Then said they unto him, What shall we do, that we might work the works of God? Jesus answered and said unto them, This is the work of God, that ye believe on him whom he hath sent. John 6:28-29