Chosen Islamic Manners

'I guarantee a house on the outskirts of Jannah for the one who refrains from arguing, even if he is right. I guarantee a house in the center of Jannah for the one who forsakes lying, even when he is joking; and a house in the highest part of Jannah for one whose manners are good.' (Abu Dawood)
*One should not lie to make people laugh. The Prophet () said:

'Woe to him who relates and then lies in order to make people laugh; woe to him! Woe to him!' (Abu Dawood)

One should avoid laughing excessively, for the Messenger of Allah () said:

'Do not laugh excessively for excessive laughter causes one's heart to die spiritually.' (Ibn Majah)
*If one wants to tell you something and then looks to his left and right to make sure no one is listening, this is a trust which he has disclosed with you. The Prophet () said: