They do not want wealth to use for their necessities...

They do not want wealth to use for their necessities, that is why they never become satisfied and however much they increase their wealth they are more eager and avaricious to make it greater. Otherwise, gathering wealth on a reasonable scale and through lawful means not only is not blameworthy, in Islam, but, it is sometimes referred to in the Holy Qur'an as 'the Bounty of Allah', such as Surah Jumu'ah, No.

62, Verse 10 says: “...And seek the Bounty of Allah...”, and in another occurence it is rendered to /xayr/ 'good': "It is prescribed, when death approaches any of you, if he leave any goods, that he make a bequest...”