Abu Hurairah relates that the Holy Messenger Muhammad (peace and blessings of Allah be to him) said, “Allah, the Exalted, says: I declare war against one who bears enmity towards a friend of Mine. When a servant of Mine comes closer to Me, with a thing which I love, out of things which I have prescribed; and he seeks My favour through Optional Prayers (Nawafil), I start loving him and when I love him, I become his ears with which he hears and his eyes with which he sees...

Give to the near of kin his due, and also to the needy and the wayfarers. Do not squander your wealth wastefully; for those who squander wastefully are Satan’s brothers, and Satan is ever ungrateful to his Lord. And when you must turn away from them – from the destitute, the near of kin, the needy, and the wayfarers – in pursuit of God’s mercy which you expect to receive, then speak to them kindly.

(Al-Qur’ān – 17:26-28)