Complex sentence: Unlike Christianity, in which some strands have viewed poverty as virtuous and desirable, Jews have never viewed poverty positively; however, Kravitz and Olitzky describe a rapidly changing attitude towards wealth as the Hebrews transitioned from being nomadic shepherds to farmers and ultimately to city dwellers.
Split into simpler sentences: Unlike Christianity, in which some strands have viewed poverty as virtuous and desirable, Jews have never viewed poverty positively. In contrast to the consistently negative view of poverty, Kravitz and Olitzky describe a rapidly changing attitude towards acceptance of wealth as desirable as the Hebrews transitioned from being nomadic shepherds to farmers and ultimately to city dwellers.