Sufis believe in a concept which they claim only there Wahdat al-Wajood is a concept based upon the idea that nothing exists other than Allah, and the creation is merely the manifestation of Allah. This implies that the creation is Allah, and Allah does not exist outside the creation.
According to them, Tawheed (lit. making one) is complete negation of all created things (everything in existence) and confirmation of the existence of Allah. Based on this concept Sufis believe it is shirk in divine attribute of existence (Wajood) to believe in and affirm the true existence of any creation other than Allah. They further claim the reason why some Muslims are against this concept is because only the spiritual elite (Sufi sheiks) can understand this concept.
However this is a lie the reason Ahlus Sunnah Wal Jamaah are against this concept is because in the Quran, Sunnah, understanding of the sahaba and the salaf (early generations of Muslim) it is clear that Allah is above the heavens outside of his creation not mixing with them.
Allah says: “Your Rabb (Lord) is Allah, Who created the Heavens and the earth in six days and then rose above His Arsh (Throne), He manages all things.” (Soorah Yunus:3-4). Six similar verses are found in the Quran.
Many other verses in the Quran prove the same as above, Allah says, “He is irresistible, above His slaves, and He is the All-Wise, Well-Acquainted with all things.” (Soorah al-An’aam:18). Allah also says, “To Him ascend (all) the good words, and the righteous deeds exalt them.” (Soorah Faatir:10)
There are numerous proofs in the hadeeths of Allahs messenger that indicate Allah is above the heavens separate and distinct from his creation. There are no hadeeths that indicate that Allah is inside the creation inside every created thing like the Sufis claim based on this concept of Wahdat al-Wajood.
Muawiyah Ibn al-Hakam said: “I had a servant girl, who used to tend my sheep in the area of mount Uhud…. One day, I came to see them only to find out that a wolf had made off with a sheep from her flock… (for which) …I gave her a terrible slap in her face. When I came to Allah’s Messenger with the story, he considered it to be a grave thing for me to have done so. I said: “O Messenger of Allah, couldn’t I free her?” He replied: “Bring her to me.” So I brought her. He then asked her: “Where is Allah?” She replied: “Above the Sky.” He then asked her: “Who am I?” and she replied: “You are Allah’s Messenger.” So, the Prophet said: “Free her for she is a true believer.” Saheeh Muslim (Eng. Trans.) vol. 1, p.271-272, no.1094
Abu Saeed al-Khudree reports that the Messenger of Allah said: “Do you not trust me, and I am the trustworthy servant of Him, Who is above the sky. The news of the Heaven comes to me in the morning and in the evening.” Saheeh al-Bukharee (Eng. Trans.) vol. 8, no: 67, and Saheeh Muslim (Eng. Trans.) vol. 2, no: 742.
Abu Hurayrah reported: “The Messenger of Allah said: “When Allah completed the creation, He Wrote in a Book (which He kept) with Him above His Throne: “Verily, My Mercy precedes My Anger.” Saheeh al-Bukharee (Eng. Trans.) vol.9, p.382-383, no.518) and Saheeh Muslim (Eng. Trans.) vol.4, p.1437, no.6628)
The Messenger of Allah said: “Every night when it is the last third of the night, our Lord, the Superior, the Blessed, descends to the nearest Heaven (before Allahs descent he was above the nearest heaven) and says: ‘Is there anyone to invoke Me so that I may respond to his invocation? Is there anyone to ask Me, so that I may grant him his request? Is there anyone asking My forgiveness, so that I may forgive him?’” Saheeh al-Bukharee vol: 9, no: 586 and Muwatta no: 15/30. Transmitted in Sharh as-Sunnah at-Tirmidhee no: 2601.
It is mentioned in Saheeh al-Bukharee, the wife of Allah’s Messenger, Zaynab bint Jaysh used to boast to the other wives of the Prophet that their families gave them away in marriage to the Prophet, while Allah from above the Seven Heavens gave her away in marriage.” Saheeh al-Bukharee (Eng. Trans.) vol. 9, p.382, no: 517.
Additionally the sahaba, the salaf (early generation of Muslims) and the scholars who followed them all affirm that Allah is above the heavens outside of the creation unlike Sufis, who claim that Allah is inside the creation inside every created thing.
Abu Bakr: Abdullah Ibn Umar reported: “When the Messenger of Allah was taken (passed away). Abu Bakr entered and kissed his forehead and said: “May my father and mother be sacrificed on you! You were good in life and in death.” Then he remarked: “He who worshiped Muhammad, then Muhammad is dead. (But) he, who worships Allah, then Allah is above the sky, He lives and does not die.” Reported by ad-Daarimee in ar-Radd ‘alal Jahmiyyah, with a hasan (good) isnad (chain of narration).
Shaikh al-Islam Ibn Taymiyyah writes, ‘the early generations of Muslims and their Imams were in complete and unanimous agreement that the Lord is separate and distinct from His creation (as he is above the heavens outside the creation).’ Al-Furqaan bayna Awliya ar-Rahmaan wa-Awliya ash-Shaytaan’ by Shaikh al-Islam Ibn Taymiyyah on p.111.
Imam Adh-Dhahabee collected more than two hundred sayings of the early scholars affirming that Allah is above the heavens outside of the creation in his book al-’Uluw. This comment is in the book ‘The Ever-Merciful Istiwa Over the Throne’ by Shaikh Abdullah as-Sabt who deals with this subject in details.
al-Balakhee reported that he asked Abu Haneefah’s opinion about a person who says that he does not know whether his Lord is in the Heavens or on earth? Imam Abu Haneefah replied: “He has disbelieved, for Allah says: ‘The Most Merciful is above the Throne’ (Soorah Taahaa:5) and His Throne is above His Seven Heavens.” Al-Balakhee then asked: “What if he said that Allah is above the Throne, but he does not know whether the Throne is in the Heavens or on earth? Imam Abu Haneefah replied: “He has disbelieved because he has denied that Allah is above the Heavens and whoever denies that He is above the Heavens, has disbelieved.” Recorded by Ibn Abil-Izz al-Hanafee in the explanation of ‘Al-Aqeedah at-Tahawiyah (p. 288)’
Imam Malik (d.179H): Abdullah Ibn Naafi reported that Malik Ibn Anas said: “Allah is above the sky and His Knowledge is in every place, not being absent from anything.” Reported by Abdullah Ibn Ahmad in As-Sunnah (p.5), Aboo Dawood in al-Masaa’il (p.263), Al-Aajuree in ash-Sharee’ah (p. 289) and al-Laalikaa’ee (1/92/2).
Shaikh al-Islam Abdullah Ibn Mubarak (d. 181H): Alee Ibn al-Hasan Ibn Shaqeeq reports, I asked Abdullah Ibn al-Mubarak: “How are we to know our Lord?” He replied: “He is above the seventh Heaven above His Throne. We do not say as the Jahmiyyah [Jahmiyyah are the followers of Jahm Ibn Safwan, who was the first one to publicly declare the denial of Allah’s Attributes. He was killed and crucified by Khalid Ibn Abdullah Al-Khusari, Prince of Iraq. This took place during the era of the Tabioon, (students of the Companion). All the scholars at his time called him a Kafir on account of plainly denying the Attributes of Allah] say, He is here on the earth.” This was mentioned to Ahmad Ibn Hambal, he stated: “That is how it is with us (i.e. how we believe).” Reported by ad-Daarimee in ar-Radd ‘alal-Mareesee (p.24 and 103) and ar-Radd ‘alal-Jahmiyyah (p. 50) and Abdullaah Ibn Ahmad in as-Sunnah (p.7, 25, 35 and 72).
Imam Muhammad Ibn Idrees ash-Shafi’ee (d. 204H): Abu Thawr and Abu Shuaib both reported that ash-Shafi’ee said: “The saying which I found and hold regarding the Sunnah, those which I have seen Sufyan, Malik and others believing in are; ‘the testification, ‘None has the right to be worshiped but Allah and Muhammad is the Messenger of Allah’, Allah is above His Throne over the Heavens, He draws near to His creation as He wishes and descends to the lowest Heaven as He wishes….” Mukhtasar al-’Uluww (l96)
Imam Ahmad Ibn Hambal (d. 241H): It was said to Abu Abdullah (Imam Ahmad): “Allah is above the seventh Heaven, over His Throne, separate from His creation. His Power and Knowledge are in every place.” He said, “Yes, He is above the Throne and His Knowledge is in every place.” Reported by al-Khallaal in al-Mukhtasar.
In conclusion Allah is above the heavens separate and distinct from his creation. Allah is not inside the creation inside every created thing like the Sufis claim. Therefore the concept of Wahdat al-Wajood is false is not based upon the Quran and Sunnah as this concept opposes both the Quran and Sunnah. Sufis must accept this concept is false because Imam Abu Haneefah said: “…whoever denies that He (Allah) is above the Heavens has disbelieved.” recorded by Ibn Abil-Izz al-Hanafee in the explanation of ‘Al-Aqeedah at-Tahawiyah (p. 288)’.