10. Tum filium sic monuit: 'Nōlī volāre in aere prope sōlem, nam neque in aere prope mare sõlis cēram poterit.

The father warned his son not to fly near the sun, because neither in the air nor near the sea will the sun's wax be able to hold. The blanks likely require words to complete the warning about the sun's heat and the wax.