For if they Israel would emerge from exile in it Tishrei, they would emerge in death, and there would not remain except: (Jer. 3:14)... one from a town, and two from a family.... one from a town... – like Noah,... and two from a family... – like Shem and Japheth. And from the others: (Gen. 7:9) Two, two... (Gen. 7:2)... seven, seven... – from those ‘people of the land’, who are likened to animals and birds and beasts.
And these are they that honour holy days and festivals, which are two, two – the two days: one of New Year, and one of the Festival of Weeks, – the two days of Purim,lxxSee BT Megillah 16b... seven, seven... – these are the seven days of Passover, and the seven days of Tabernacles.