In Gurmat, we become aware of the Inmensity and majesty of Wahiguru.
And moreover if ever we have to devote ourselves, that has to be only, and only Wahiguru Akal Purukh.
Though there are many well known spiritual entities, gods, godesses, devtas, angels, which are worshipped by human beings at different places and in different dharams.
But the fact is, at most one goes to their abodes for a temporary stay, then fall back into the creation.
If one is bad or good by nature, worshipping these entities, will only make us get powers or boons, that is it.
While on the other side, if we worship Wahiguru only, Fifth Patshahee in Raag Soohee, tells us in simple and plain words, what are the consequences in doing so :
ਹਰਿ ਨਾਮੁ ਅਰਾਧਹਿ ਮੈਲੁ ਸਭ ਕਾਟਹਿ ਕਿਲਵਿਖ ਸਗਲੇ ਖੋਵੈ
Har Naam Araadhhehi Mail Sabh Kaattehi Kilavikh Sagalae Khovai
हरि नामु अराधहि मैलु सभ काटहि किलविख सगले खोवै
They worship the Lord's Name, and all their filth is washed away; they rid themselves of all sins.
I think we need no expalnations, His lovely words are self sufficient by themselves.
And if we did understand anything from it, it means, we become pure paviter, howsoever we are, and thus we merge in Him by His unlimited Daya Meher.
Sat Sree Akal.