A thankful heart is not only the greatest virtue, but the parent of all the other virtues.
[Lat., Gratus animus est una virtus non solum maxima, sed etiam mater virtutum onmium reliquarum.]
The mind becomes accustomed to things by the habitual sight of them, and neither wonders nor inquires about the reasons for things it sees all the time.
On the subject of the nature of the gods, the first question is Do the gods exist or do the not? It is difficult you may say to deny that they exist. I would agree if we were arguing the matter in a public assembly, but in a private discussion of this kind, it is perfectly easy to do so.