Psalms 106:16

Those that will not wait for God's counsel, shall justly be given up to their own hearts' lusts, to walk in their own counsels. An undue desire, even for lawful things, becomes sinful. God showed his displeasure for this. He filled them with uneasiness of mind, terror of conscience, and self-reproach. Many that fare deliciously every day, and whose bodies are healthful, have leanness in their souls: no love to God, no thankfulness, no appetite for the Bread of life, and then the soul must be lean. Those wretchedly forget themselves, that feast their bodies and starve their souls. Even the true believer will see abundant cause to say, It is of the Lord's mercies that I am not consumed. Often have we set up idols in our hearts, cleaved to some forbidden object; so that if a greater than Moses had not stood to turn away the anger of the Lord, we should have been destroyed. If God dealt severely with Moses for unadvised words, what do those deserve who speak many proud and wicked words? It is just in God to remove those relations that are blessings to us, when we are peevish and provoking to them, and grieve their spirits.

They envied Moses also in the camp. Though to him as the Lord's chosen instrument they owed everything, they grudged him the authority which it was needful that he should exercise for their good. Some were more openly rebellious than others, and became leaders of the mutiny, but a spirit of dissatisfaction was general, and therefore the whole nation is charged with it. Who can hope to escape envy when the meekest of men was subject to it? How unreasonable was this envy, for Moses was the one man in all the camp who laboured hardest and had most to bear. They should have sympathised with him; to envy him was ridiculous. And Aaron the saint of the Lord. By divine choice Aaron was set apart to be holiness unto the Lord, and instead of thanking God that he had favoured them with a high priest by whose intercession their prayers would be presented, they cavilled at the divine election, and quarrelled with the man who was to offer sacrifice for them. Thus neither church nor state was ordered aright for them; they would snatch from Moses his sceptre, and from Aaron his mitre. It is the mark of bad men that they are envious of the good, and spiteful against their best benefactors.