Ought not (ou crh). The only use of this old impersonal verb (from craw) in the N.T. It is more like prepei (it is appropriate) than dei (it is necessary). It is a moral incongruity for blessing and cursing to come out of the same mouth. So to be (outw ginesqai). "So to keep on happening," not just "to be," present middle infinitive of ginomai.