irrational

Instead, an irrational desire for the water that was in the possession of the enemy with growing intensity burned him up and unmanned and consumed him.

And what need have we of examples of the love of offspring among irrational animals, when even the bees, about the season of the making of the comb, fend off intruders, and stab with their sting, as with a sword, those who approach their brood, and do battle against them even to the death?