The history of this event is recorded at large, Numbers 11:1. But beside the history, I earnestly beg the Reader to keep his eye steadily upon the sacramental design of the whole. The despising here spoken of, concerning Israel, is evidently the taking up slight views of Christ. That portion of scripture which the Holy Ghost gave the church, by Paul, decidedly explains this; 1 Corinthians 10:8-10.
Related Commentaries of Psalms 78:21
Psalms 78:21-22
21 Therefore the LORD heard this, and was wroth: so a fire was kindled against Jacob, and anger also came up against Israel;
22 Because they believed not in God, and trusted not in his salvation: