. . . "Quos Romani penitus in cultu habent, quos nisi sacerdoti videre fas nulli sit, qui ideo penates appellantur, quod in penetralibus aedium coli soleant; nam et ipsum penetral penus dicitur, ut hodie quoque penus Vestae claudi vel aperiri dicitur.Those (gods) which the Romans worship deeply, which it is right for no one except the priest to see, these are thus called the Penates [that is, protectors" .