In life God made generally speaking two kinds of people – the first are philosophers who try to understand, the second are doers – ultimately we see this within the Jewish people, as the tribe of Levi were designated as the Rabbis and teachers, while the tribe of Yehuda (where 90% of Jews descend from) were doers – the ultimate is to combine both qualities, for the former without the latter is like a computer on a shelf, but the latter without the former – just look around