15.19 He who, without delusion, knows the Supreme Person as Myself, as already stated, i.e., knows Me, as differing in kind from the perishable and the imperishable Persons, because of My being immutable and because of My being distinguished from them as pervading, supporting and ruling etc., by nature - such a devotee knows all. He knows all that is to be known as the means of attaining Me. He worships Me in 'every way,' i.e., whatever ways of worshipping Me have been prescribed as the means of attaining Me, he worships Me by all these modes of worship. Whatever love is evoked in Me towards one approaching Me by all forms of knowledge having Me for their object, and whatever love is roused up in Me towards those who practise various modes of worship having Me for their object - all that in a unified form is generatd in Me towards one who has the knowledge of Me as described.

Now, Sri Krsna eulogises this knowledge of the Supreme Person: