A. Be content & do not desire more than you need:

LUK 12:15. And he said unto them, Take heed, and beware of covetousness: for a man's life consisteth not in the abundance of the things which he possesseth.

1TI 6:6. But godliness with contentment is great gain.

1TI 6:7. For we brought nothing into this world, and it is certain we can carry nothing out.

1TI 6:8. And having food and raiment let us be therewith content.

PHI 4:11. Not that I speak in respect of want: for I have learned, in whatsoever state I am, therewith to be content.

HEB 13:5. Let your conversation be without covetousness; and be content with such things as ye have: for he hath said, I will never leave thee, nor forsake thee.

PSA 37:16. A little that a righteous man hath is better than the riches of many wicked.

PRO 15:16. Better is little with the fear of the LORD than great treasure and trouble therewith.

PRO 30:8. Remove far from me vanity and lies: give me neither poverty nor riches; feed me with food convenient for me:

2CO 6:10. As sorrowful, yet alway rejoicing; as poor, yet making many rich; as having nothing, and yet possessing all things.

PSA 62:10. Trust not in oppression, and become not vain in robbery: if riches increase, set not your heart upon them.

PSA 119:36. Incline my heart unto thy testimonies, and not to covetousness.

PRO 17:1. Better is a dry morsel, and quietness therewith, than an house full of sacrifices with strife.

PRO 23:5. Wilt thou set thine eyes upon that which is not? for riches certainly make themselves wings; they fly away as an eagle toward heaven.

B. Dangers of discontent & murmuring:

EXO 16:3. And the children of Israel said unto them, Would to God we had died by the hand of the LORD in the land of Egypt, when we sat by the flesh pots, and when we did eat bread to the full; for ye have brought us forth into this wilderness, to kill this whole assembly with hunger.

NUM 21:5. And the people spake against God, and against Moses, Wherefore have ye brought us up out of Egypt to die in the wilderness? for there is no bread, neither is there any water; and our soul loatheth this light bread.

NUM 21:6. And the LORD sent fiery serpents among the people, and they bit the people; and much people of Israel died.

1SA 15:3. Now go and smite Amalek, and utterly destroy all that they have, and spare them not; but slay both man and woman, infant and suckling, ox and sheep, camel and ass.

1SA 15:9. But Saul and the people spared Agag, and the best of the sheep, and of the oxen, and of the fatlings, and the lambs, and all that was good, and would not utterly destroy them: but every thing that was vile and refuse, that they destroyed utterly.

1SA 15:22. And Samuel said, Hath the LORD as great delight in burnt offerings and sacrifices, as in obeying the voice of the LORD? Behold, to obey is better than sacrifice, and to hearken than the fat of rams.

1SA 15:23. For rebellion is as the sin of witchcraft, and stubbornness is as iniquity and idolatry. Because thou hast rejected the word of the LORD, he hath also rejected thee from being king.

PSA 73:3. For I was envious at the foolish, when I saw the prosperity of the wicked.

PSA 73:4. For there are no bands in their death: but their strength is firm.

PSA 73:5. They are not in trouble as other men; neither are they plagued like other men.

PSA 73:6. Therefore pride compasseth them about as a chain; violence covereth them as a garment.

PSA 73:7. Their eyes stand out with fatness: they have more than heart could wish.

PSA 73:8. They are corrupt, and speak wickedly concerning oppression: they speak loftily.

PSA 73:9. They set their mouth against the heavens, and their tongue walketh through the earth.

PSA 73:10. Therefore his people return hither: and waters of a full cup are wrung out to them.

PSA 73:11. And they say, How doth God know? and is there knowledge in the most High?

PSA 73:12. Behold, these are the ungodly, who prosper in the world; they increase in riches.

PSA 73:13. Verily I have cleansed my heart in vain, and washed my hands in innocency.

PSA 73:14. For all the day long have I been plagued, and chastened every morning.

PSA 73:15. If I say, I will speak thus; behold, I should offend against the generation of thy children.

PSA 73:16. When I thought to know this, it was too painful for me;

PSA 73:17. Until I went into the sanctuary of God; then understood I their end.

PSA 73:18. Surely thou didst set them in slippery places: thou castedst them down into destruction.

PSA 73:19. How are they brought into desolation, as in a moment! they are utterly consumed with terrors.

PSA 73:20. As a dream when one awaketh; so, O Lord, when thou awakest, thou shalt despise their image.

PSA 78:15. He clave the rocks in the wilderness, and gave them drink as out of the great depths.

PSA 78:16. He brought streams also out of the rock, and caused waters to run down like rivers.

PSA 78:17. And they sinned yet more against him by provoking the most High in the wilderness.

PSA 78:18. And they tempted God in their heart by asking meat for their lust.

PSA 78:19. Yea, they spake against God; they said, Can God furnish a table in the wilderness?

PSA 78:20. Behold, he smote the rock, that the waters gushed out, and the streams overflowed; can he give bread also? can he provide flesh for his people?