“And again:
“‘It was the seventh day, and all things were accomplished.’
“And again:
“‘And on the seventh morn we leave the stream of Acheron.’
“Callimachus the poet also writes:
“‘It was the seventh morn, and they had all things done.’
“And again:
“‘Among good days is the seventh day, and the seventh race.’
“And:
“‘The seventh is among the prime, and the seventh is perfect.’