27 But if ye will not hearken unto me to hallow the sabbath day and not to bear a burden even entering in at the gates of Jerusalem on the sabbath day then will I kindle a fire in the gates thereof and it shall devour the palaces of Jerusalem and it shall not be quenched

Could you correct the punctuation please?
27 But if ye will not hearken unto me to hallow the sabbath day, and not to bear a burden, even entering in at the gates of Jerusalem on the sabbath day; then will I kindle a fire in the gates thereof, and it shall devour the palaces of Jerusalem , and it shall not be quenched.