Iwillfeedthemin a goodpasture, and upon the highmountainsofIsraelshalltheir fold be: there shall they liein a good fold, and in a fat pasture shall they feedupon the mountainsof Israel.
This is what I mean when I say our knowledge of what works in education is inevitably limited, no matter the many (often conflicting) studies, no matter the mountainsuponmountains of data.
Choose to travel without one and accidentally stumble upon military exercises in the mountains and you may find yourself a guest of the local Vietnamese police, as I did for one unforgettable night in Meo Vac.