If a pilot was far from land, and during his voyage had such serene weather that in the night he could always see a polar star and in the day the rising and setting of the sun, it is certain he might regulate his course as well as we do now by the compass:
Pilotu bat itsasbazterretik urruntzen bazen, eta bidaian eguraldi barea bazuen, gauez izar polarra bistan beti, eta egunez eguzkia irteten eta sartzen ikusiz, argi dago bazeukala egun iparrorratzaren bidez bezala joaterik;