Excellence of Fair Bargaining and Matters Relation to it

polite manner; but if someone does not show politeness in it, his rudeness should be ignored because he who has a rightful claim,
http://www.gowister.com/books/riyad-us-saliheen-240.html

Virtues of Knowledge which is Learnt and Taught for the sake ...

Mu`awiyah (May Allah be pleased with him) reported: The Messenger of Allah said, "When Allah wishes good for someone, He bestows upon him the understanding of Deen.'' [Al-Bukhari and Muslim].
http://www.gowister.com/books/riyad-us-saliheen-241.html

The Obligation of Supplicating Allah to Exalt His Mention an ...

Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah (sallallaahu alayhi wa sallam) said, "Whenever someone greets me,
http://www.gowister.com/books/riyad-us-saliheen-243.html

The Excellence of the Remembrance of Allah

and no one will exceed him in doing more excellent good deeds except someone who has recited these words more often than him.
http://www.gowister.com/books/riyad-us-saliheen-244.html

The Excellence of Supplicating in one's Absence

the angels say: `May the same be for you too'.'' [Muslim]. Commentary: This Hadith makes it evident that one who prays for someone in his absence also stands to benefit from it because the angel
http://www.gowister.com/books/riyad-us-saliheen-251.html

Some Verdicts Pertaining to Supplications

Commentary: If one is unable to return someone's kindness with kindness, he should say, "Jazak-Allahu khairan (may Allah reward you well).'' This means: "I am unable to reciprocate your kindness.
http://www.gowister.com/books/riyad-us-saliheen-252.html

The Prohibition of Backbiting and the Commandment of Guardin ...

Similarly, sometime a person utters a mischievous sentence, the ruinous effects of which he does not realize. This utterance hurts someone's feelings and leads him to sin and evil.
http://www.gowister.com/books/riyad-us-saliheen-254.html

Prohibition of Listening to Backbiting

Commentary: If someone says something disgraceful against a Muslim, one must defend his Muslim brother (or sister,
http://www.gowister.com/books/riyad-us-saliheen-255.html

Some cases where it is permissible to Backbite

It is permissible for an oppressed person to speak before the judge or someone in a similar position of authority to help him or her establish his or her rights by telling him `so-and-so wronged me
http://www.gowister.com/books/riyad-us-saliheen-256.html

Prohibition of Cursing one Particular Man or Animal

Taunting here means to disgrace someone with reference to his lineage or by means of backbiting and slander.
http://www.gowister.com/books/riyad-us-saliheen-264.html