Koine Greek was the common tongue of the day...the Greek influence in culture, religion and language was felt over a wide area.
Because Jesus was the son of God and totally instructed by his Father, not the religious leaders of Judaism, no outside (pagan) influence would have supplanted the truth in his mind.
Why do you give Jesus spiritual limitations when he demonstrated none. The only limitations he had was due to his human flesh.
An exhausted and battered man did not last long enough on his torture stake for the Romans to even have to break his legs to hasten death. Mercifully, he died before they had to do that.
http://www.michaelsheiser.com/TheNakedBible/DJG RICH AND POOR.pdf
The real problem in first-century Judaism was that of poverty, especially the poverty of the righteous. Some anthropologically oriented scholars argue that the poverty that was a problem was that caused by the loss of one’s inherited position, whether that position was economically rich or poor.
This resulted in the OT categories of poor as noted above (cf. Malina 1981, 84).
However, although this may have been true for the OT period, it does not completely fit that of the NT.
A number of rabbinic sayings note the economic misery of the life of the poorer peasant (e.g., Lev Rab. 34:6 on Lev 25:25; b. B. Bat. 116a; b. Sanh. 151b). As it was later expressed, “There is nothing in the world more grievous than poverty—the most terrible of all sufferings. Our Teachers said: all sufferings are on one side and poverty is on the other” (Ex R. 31:12 on Ex 22:24).
Furthermore, the Jesus tradition (e.g., Lk 6) contrasts the poor, not with the greedy or the wicked (as in the OT), but with the rich, showing that economic issues had become more important.
James also exhibits this pattern. Economic lack was a problem, even if inherited social status was not ignored. The first response of Judaism to the poor was to encourage the voluntary sharing of wealth, for outside of assistance from a person’s extended family, charity or almsgiving was the only form of social assistance available.
Governments of that day only intervened, if at all, when mass starvation was threatened (and in those cases the motives were to preserve future tax revenues and prevent social unrest). Almsgiving included (1) private charitable actions (e.g., giving to a beggar, forgiving a debt, providing for the proper burial of an impoverished person), which in the case of the wealthy could include significant aid to large areas (Queen Helena of Adiabene, for example, sent major food aid to Jerusalem in the 40s); (2) group charitable actions (i.e., those organized through a village council of elders or a synagogue); (3) religious charity (e.g., the charitable fund collected and distributed through the Temple). Later Judaism would develop a highly organized system of collection and distribution of charity. In the first century, however, individual initiative in almsgiving was the primary force.
The giving of alms was therefore viewed by Judaism in general as a very important righteous work in the eyes of God.
In fact, in rabbinic Judaism only meditation on Torah could have outranked charity as a righteous deed. Deeds of charity were seen as greater...
Much more at the link.