Philo Judaeus Legatio Ad Gaium 211

[211] and secondly, as they continually behold the visible shapes and forms of them, they admire and venerate them in their minds and they admit such foreigners as are disposed to honour and worship them, to do so no less than their own native fellow citizens. But all who attempt to violate their laws, or to turn them into ridicule, they detest as their bitterest enemies, and they look upon each separate one of the commandments with such awe and reverence that, whether one ought to call it the invariable good fortune or the happiness of the nation, they have never been guilty of the violation of even the most insignificant of them;