Narrated An-Numan ibn Bashir: The Prophet ﷺ said: Supplication (du'a') is itself the worship. (He then recited: ) "And your Lord said: Call on Me, I will answer you" (xI. 60).

Narrated Saad ibn Abu Waqqas: Ibn Saad said: My father (Saad ibn Abu Waqqas) heard me say: O Allah, I ask Thee for Paradise, its blessings, its pleasure and such-and-such, and such-and-such; I seek refuge in Thee from Hell, from its chains, from its collars, and from such-and-such, and from such-and-such. He said: I heard the Messenger of Allah ﷺ say: There will be people who will exaggerate in supplication. You should not be one of them. If you are granted Paradise, you will be granted all what is good therein; if you are protected from Hell, you will be protected from what is evil therein.

Narrated Fudalah ibn Ubayd,: The Messenger of Allah ﷺ heard a person supplicating during prayer. He did not mention the greatness of Allah, nor did he invoke blessings on the Prophet ﷺ. The Messenger of Allah ﷺ said: He made haste. He then called him and said either to him or to any other person: If any of you prays, he should mention the exaltation of his Lord in the beginning and praise Him; he should then invoke blessings on the Prophet ﷺ; thereafter he should supplicate Allah for anything he wishes.

Aishah said: The Messenger of Allah ﷺ liked comprehensive supplication and abandoned other kinds.

Abu Hurairah reported the Messenger of Allah ﷺ as saying: "One of you should not say (in his supplication): O Allah, forgive me if You please, show mercy to me if You please. ' Rather, be firm in your asking, for no one can force Him. "

Abu Hurairah reported the Messenger of Allah ﷺ as saying: "One of you is granted an answer (to his supplication) provided he does not say: 'I prayed but I was not granted an answer. '"

Narrated Abdullah ibn Abbas: The Prophet ﷺ said: Do not cover the walls. He who sees the letter of his brother without his permission, sees Hell-fire. Supplicate Allah with the palms of your hands; do not supplicate Him with their backs upwards. When you finish supplication, wipe your faces with them. Abu Dawud said: This tradition has been transmitted through a different chains by Muhammad bin Kab; all of them are weak. The chain I have narrated is best of them; but it is also weak.

Narrated Malik ibn Yasar as-Sakuni, al-Awfi: The Prophet ﷺ said: When you make requests to Allah, do so with the palms of your hands, and not backs, upwards. Abu Dawud said: The narrator Sulaiman bin Abd al-Hamid said: according to us Malik bin Yasar was a Companion of the Prophet ﷺ.

Narrated Anas ibn Malik: I saw the Messenger of Allah ﷺ supplicating Allah in this manner with the palms of his hands and also with their backs upwards.

Narrated Salman al-Farsi: The Prophet ﷺ said: Your Lord is munificent and generous, and is ashamed to turn away empty the hands of His servant when he raises them to Him.

Narrated Abdullah ibn Abbas: Ikrimah quoted Ibn Abbas as saying: When asking for something you should raise your hands opposite to your shoulders; when asking for forgiveness you should point with one finger; and when making an earnest supplication you should spread out both your hands.

In another version Ibn Abbas said: Earnest supplication should be made like this: he raised his hand and made his palms in the direction of his face.

The above mentioned tradition has also been transmitted in a similar manner by Ibn Abbas from the Messenger of Allah ﷺ.

Narrated Yazid ibn Saeed al-Kindi: When the Prophet ﷺ made supplication (to Allah) he would raise his hands and wipe his face with his hands.

Narrated Buraydah ibn al-Hasib: The Messenger of Allah ﷺ heard a man saying: O Allah, I ask Thee, I bear witness that there is no god but Thou, the One, He to Whom men repair, Who has not begotten, and has not been begotten, and to Whom no one is equal, and he said: You have supplicated Allah using His Greatest Name, when asked with this name He gives, and when supplicated by this name he answers.

The aforesaid tradition has been transmitted through a different chain of narrators by Malik bin Mighwal. This verso adds: "He has asked Allah using His Greatest Name. "

Narrated Anas ibn Malik: I was sitting with the Messenger of Allah ﷺ and a man was offering prayer. He then made supplication: O Allah, I ask Thee by virtue of the fact that praise is due to Thee, there is no deity but Thou, Who showest favour and beneficence, the Originator of the Heavens and the earth, O Lord of Majesty and Splendour, O Living One, O Eternal One. The Prophet ﷺ then said: He has supplicated Allah using His Greatest Name, when supplicated by this name, He answers, and when asked by this name He gives.

Asma daughter of Yazid reported the Prophet ﷺ as saying: "Allah's Greatest Names is in these two verses: "And your Ilaah (God) is One Ilaah (God), none has the right to be worshipped but He, the Ever-Merciful, the Mercy-Giving' and the beginning of Surah Al Imran, "A. L. M Allah, there is no deity but He, the Living, the Eternal. "

Narrated Aishah, Ummul Muminin: Ata said: The quilt of Aishah was stolen. She began to curse the person who had stolen it. The Prophet ﷺ began to tell her: Do not lighten him. Abu Dawud said: The meaning of the Arabic words la tasbikhi 'anhu means "do not lessen him or lighten him".

Narrated Umar ibn al-Khattab: I sought permission of the Prophet ﷺ to perform Umrah. He gave me permission and said: My younger brother, do not forget me in your supplication. He (Umar) said: He told me a word that pleased me so much so that I would not have been pleased if I were given the whole world. The narrator Shubah said: I then met Asim at Madina. He narrated to me this tradition and reported the wordings: "My younger brother, share me in your supplication. "

Narrated Saad ibn Abu Waqqas: The Prophet ﷺ passed by me while I was supplicating by pointing with two fingers of mine. He said: Point with one finger; point with one finger. He then himself pointed with the forefinger.