"...The Jews, on the other hand, are a largely Semitic and largely nomadic hybrid race of much more recent appearance that emerged in the relatively heavily populated, multiracial, multicultural, and polyglot Middle East, where the climate was much milder and the main problem — for the Jews, at least — was surviving and prospering as a small, stateless group in territories ruled by others. [1]
High verbal intelligence and a concealed dual moral code — one for dealing with fellow Jews, another for dealing with the non-Jews in whose societies they lived — were the prominent biological, evolutionary results.
Their primary skills of conflict were negotiation, diplomacy, pretense, duplicity, mimicry, and "reading" the psychology of their enemies — who were very seldom sword-wielding invading armies, but rather were the omnipresent non-Jewish peasants and warriors and priests and tradesmen and rulers among whom they lived — and off of whom they fed..."