13. It does no good for a man to secure himself safety from other men so long as he remains in a state of fear about heaven, about hell, and about the nature of the boundless universe.

Alternate Translations: Bailey: There is no profit in securing protection in relation to men if things above and things beneath the earth and indeed all in the boundless universe remain matters of suspicion. Yonge: There is no profit in securing protection in relation to men if things above and things beneath the earth and indeed all in the boundless universe remain matters of suspicion.

Vatican Saying 72: There is no advantage to obtaining protection from other men so long as we are alarmed by events above or below the earth or in general by whatever happens in the boundless universe.

Lucretius De Rerum Natura Book I: We shall begin with this first principle: nothing ever comes from nothing by divine power. In truth, fear holds all mortals in check, because they see many operations go on in earth and heaven, the causes of which they can in no way understand, and therefore they believe them to be done by divine power. Once we shall have seen that nothing can be produced from nothing, we shall then more correctly ascertain that which we are seeking, both the elements out of which every thing can be produced and the manner in which all things are done – without the hand of the gods.

NewEpicurean Commentary: Security in the form of physical protection from other men does you no good if you still fear the basic Nature of the universe, because you cannot live a happy life unless you understand your place in the infinite and eternal universe.