Analysis of information sources in references of the Wikipedia article "Végétarisme dans le judaïsme" in French language version.
« Isaiah, the vegetarian prophet, meant also that humans must sit with the lamb, the kid, the ox -- because humans must make peace with the animals before they can make peace with other humans. »
« A number of medieval scholars regard vegetarianism as a moral ideal, not because of a concern for the welfare of animals, but because of the fact that the slaughter of animals might cause the individual who performs such acts to develop negative character traits, viz., meanness and cruelty »