Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: A person cannot attain complete faith until he gives up lying in jest and quarreling, even if he is truthful in that quarrel.

Sayyiduna Abu Hurairah (may Allah be pleased with him) also narrates that the Messenger of Allah (peace and blessings be upon him) said: Whoever says to a child, "Come here and take this thing," and then does not give him that thing, it will be considered a lie.

Narrated from Sayyiduna Abdullah bin Amir bin Rabi’ah (may Allah be pleased with him), he says: The Messenger of Allah (peace and blessings be upon him) came to us at our house, and I was a child at that time. When I was about to go out to play, my mother said: O Abdullah! Come here, I want to give you something. The Prophet (peace and blessings be upon him) said: What do you intend to give him? She said: I will give him a date. The Prophet (peace and blessings be upon him) said: If you were not going to give him anything, it would have been written as a lie against you.

It is narrated from Sayyiduna Muawiyah bin Haydah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: Destruction is for the person who speaks to people and lies in order to make them laugh; destruction is for him, destruction is for him.

Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: Indeed, a man utters a word to make his companions laugh, and because of it, he falls farther than even the star Thurayya.

(Second chain) The Messenger of Allah, peace and blessings be upon him, said: Indeed, a person utters a word, while he does not even feel any harm in it, but because of it he falls into the Fire to a distance of seventy years.

(Third chain) The Messenger of Allah, peace and blessings be upon him, said: Indeed, a person utters a word because of which he slips and falls into the Fire to a distance as far as the distance between the east and the west.

Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: Indeed, a man utters a word, and he does not perceive any harm in it; his only intention is to make people laugh, but because of it, he falls farther than the distance to the sky.

It is narrated from Sayyiduna Abdullah bin Zam’ah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) delivered a sermon and then admonished the people about laughing at passing wind, and said: Why does one of you laugh at something which he himself does?

Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: Verily, I speak only the truth. Some of the Companions said: O Messenger of Allah! Indeed, you also joke with us. He (peace and blessings be upon him) said: I speak only the truth.