<P> You must not hate your brother in your heart . You must surely reprove your fellow citizen so that you do not incur sin on account of him . You must not take vengeance or bear a grudge against the children of your people, but you must love your neighbor as yourself . I am the LORD . </P> <P> Matthew Henry sums up the question of which is the great commandment: </P> <P> It was a question disputed among the critics in the Law . Some would have the Law of Circumcision to be the Great Commandment, others the Law of the Sabbath, others the Law of Sacrifices, according as they severally stood affected, and spent their zeal; now they would try what Christ said to this question, hoping to incense the people against him, if he should not answer according to the vulgar opinion; and if he should magnify one commandment, they would reflect on him as vilifying the rest . </P> <P> Adam Clarke, in his Commentary on the Bible, wrote: </P>

Old testament love god with all your heart