The most hated of men to Allah is: the obstinate debater.

It is permissible to tell jokes which are not actually true, so long as it makes people laugh and does not hurt anyone's feelings.

One of the bad results of cursing people too much is that you would not be allowed to be a witness on the day of Judgment, according to a narration we studied.

Qutbah ibn Maalik was a companion from those who narrated the most hadeeth (from the "mukthiroon").

When two people insult one another, the sin is on the one who started it, so long as the other one does not transgress.

According to a hadeeth we studied from Saheeh al-Bukhaaree, whoever commits the sin of eavesdropping shall have hot lead poured into his ears on the Day of Judgment.

According to the wording of a hadeeth we studied, the reason we are not allowed to insult the deceased is: because they can still hear us.

In the hadeeth we studied (which means), "A qattaat does not enter Paradise," a "qattaat" is: someone who chews a lot of tobacco.

Haste is from the Shaytaan, and pessimism is bad character, according to two narrations we studied.

Seeking refuge with Allah from "displays of bad character" includes seeking refuge from lying and oppression, as well as many other bad manners.