Translation of beharren

The ingredients of the poem which seem to be so bright because of the white are in fact the ingredients of a witches broth: In everything there is something bad, even in the goodness and shininess.
These are the guys who need to be blames. They are primitive, ignorant, selfish and they appear to me as thought they are confined in their ideas. They cannot think outside the box for even once.
San Telmo and Bocca were two additional neighborhoods that we have visited and these were actually quite nice. We were warned by the staff of our hotel to be alert in these neighborhoods as there were many thieves.