Guard your tongue…
The person who commits gossip is worse than the one who commits witchcraft, it only takes him a word to start a fight between people, it takes him a word to cause trouble between husbands and their wives. He is gossiping with you today, and tomorrow about you. – Yahya Ibn Aktham
Do you know that when you gossip, hurting the other person, he shall take from the good points you collected (on the Day of Judgment), and when you are finished of all the good scores in your book, you shall take the bad scores (sins) from him to add in your book. You hurt him in this world (first life), so he gets his right from you on the Day of Judgment. The ones that you hurt with your tongues are surely those that you hate, so why do you give them a chance to take from your good scores that you worked all your life collecting, in a day when you will be in need of all the good points on your side.
God Almighty forgives all the sins that a person commits, except for those concerning other people’s rights. He will not be forgiven unless he asks forgiveness from the ones that he hurt.
O you who have believed, avoid much [negative] assumption. Indeed, some assumption is sin. And do not spy or backbite each other. Would one of you like to eat the flesh of his brother when dead? You would detest it. And fear Allah ; indeed, Allah is Accepting of repentance and Merciful. [Al-Hujurat 49:12]