Meaning burning.

The mixed multitude (cf. Exo. 12:38) consisted of those who did not know of whom they were born or to what family they belonged. The lusting of the mixed multitude stirred up the lust of the children of Israel (cf. 1 Cor. 5:6).

The foods in Egypt signify the fleshly enjoyment of the world. See note Exo. 16:3^1b and note Exo. 16:13^1a.

Manna signifies the heavenly Christ as the daily food for God’s people (John 6:29-35). See note Exo. 16:4¹ and note Exo. 16:15¹ in . The people of Israel abhorred the heavenly taste of manna and lusted for the worldly taste of the Egyptian food.

For the characteristics of manna, see note Exo. 16:13^2b and note Exo. 16:31¹.

Seventy, composed of seven times ten, is the number of completion (seven — see note Rev. 2:29^1a) and fullness (ten — see note Rev. 2:10^2g). God’s raising up of seventy elders indicates that when He does something, He does it completely and in full.

See note Num. 11:29¹.

Moses desired that all the people of Israel would be prophets, those who spoke for God (see note Exo. 7:1^1a). This word was a great prophecy uttered by Moses. It was promoted by Paul in 1 Cor. 14 and is fulfilled in God’s New Testament economy by the prophesying of the believers in the church meetings (1 Cor. 14:24, 31).

Meaning graves of lust. God’s dealing with those who lusted was for the purpose of clearing up the mixed multitude, thus purifying His people.