Another Passage About Ungratefulness

Another verse from the Bible that talks about ungratefulness is; Numbers 17:4-6. It says;
4 Place them in the Tent of Meeting in front of the Testimony, where I meet with you. 5 The staff belonging to the man I choose will sprout, and I will rid myself of this constant grumbling against you by the Israelites."
6 So Moses spoke to the Israelites, and their leaders gave him twelve staffs, one for the leader of each of their ancestral tribes, and Aaron's staff was among them.