Hobbes contends that man is naturally intrepid, and is intent only upon attacking and fighting

Accustomed from their infancy to the inclemencies of the weather and the rigour of the seasons, inured to fatigue, and forced, naked and unarmed, to defend themselves and their prey from other ferocious animals, or to escape them by flight, men would acquire a robust and almost unalterable constitution. The children, bringing with them into the world the excellent constitution of their parents, and fortifying it by the very exercises which first produced it, would thus acquire all the vigour of which the human frame is capable. Nature in this case treats them exactly as Sparta treated the children of her citizens: those who come well formed into the world she renders strong and robust, and all the rest she destroys; differing in this respect from our modern communities, in which the State, by making children a burden to their parents, kills them indiscriminately before they are born.

If he had had an axe, would he have been able with his naked arm to break so large a branch from a tree? If he had had a ladder, would he have been so nimble in climbing a tree? If he had had a horse, would he have been himself so swift of foot? Give civilised man time to gather all his machines about him, and he will no doubt easily beat the savage; but if you would see a still more unequal contest, set them together naked and unarmed, and you will soon see the advantage of having all our forces constantly at our disposal, of being always prepared for every event, and of carrying one’s self, as it were, perpetually whole and entire about one. […]