[17:22] You shall not set up any other god beside GOD, lest you end up despised and disgraced.
[17:23] Your Lord has decreed that you shall not worship except Him, and your parents shall be honored. As long as one or both of them live, you shall never say to them, “Uff” (the slightest gesture of annoyance), nor shall you shout at them; you shall treat them amicably.
[17:24] And lower for them the wings of humility, and kindness, and say, “My Lord, have mercy on them, for they have raised me from infancy.”
[17:25] Your Lord is fully aware of your innermost thoughts. If you maintain righteousness, He is Forgiver of those who repent.
[17:26] You shall give the due alms to the relatives, the needy, the poor, and the traveling alien, but do not be excessive, extravagant.
[17:27] The extravagant are brethren of the devils, and the devil is unappreciative of his Lord.
[17:28] Even if you have to turn away from them, as you pursue the mercy of your Lord, you shall treat them in the nicest manner.
Why is being extravagant in charity being wrong?
Extravagant: spending or costing a lot of money, especially more than is reasonable
Extravagance is similar to showing off
Extravagance is also relative to the person, what would be considered negligible to Bill Gates would be extravagant to most anyone else.
Honor Your Father and Mother