Kill the "Self"

Peer Bhudu Shah asked the Guru Sahab, Guru Gobind Singh Ji (known in the world as the tenth Sikh Guru):

"Khuda aur bande ka meel kaisen hoon?"

How can a human merge into God (known by infinite names in the world, common ones being Aum, Waheguru, Khuda, Allah, God, Almighty, Akal Purakh)?

Guru Gobind Singh Ji replied with a very short sentence politely:
"Peer Sahab, Whon mua Khuda hua"

Peer Sahab (Sahab for respect), kill the ego (self) and you will merge in Him.

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Vaheguru Ji Ki Fateh!

All victory belongs to God.

We as Sikhs say this everytime we see another Sikh, it is a constant reminder that everything belongs to God, yet many people including myself are still full of ego.

How do we get rid of this ego?

ਵਾਹਿਗੁਰੂ ਗੁਰੂ ਮੰਤ੍ਰ ਹੈ ਜਪ ਹਉਮੈਂ ਖੋਈ ॥
ਆਪ ਗਵਾਏ ਆਪ ਹੈ ਗੁਣ ਗੁਣੀ ਪਰੋਈ ॥13॥

"The Gurmantar is "Vaheguru", through reciting which erases egotism. Losing egotism and merging into the qualities of the supreme Lord, he himself becomes full of qualities."

(Vaar 13, Bhai Gurdaas Ji, Contemporary of Guru Arjan Dev Ji)