Some Jnanis follow the method of Neti Neti (not this, Not this).
"He who is called Brahman by the jnanis is known as Atman by the yogis
and as Bhagavan by the bhaktas. The same brahmin is called priest,
when worshipping in the temple, and cook, when preparing a meal in the
kitchen. The jnani, sticking to the path of knowledge, always reasons
about the ...
jnana-yogis receive jnana from Guru that he is part of parmatma and hence meditating on that conviction alone will make him parmatma/liberated.
Vijyanbhairava Tantra, verse 102 talks about such yogi:
'सर्वज्ञः सर्वकर्ता च व्यापक: परमेश्वर:।
स एवाहं शैवधर्मा इति दार्ढ्याच्छिवो भ्रवेत् ॥
"The Highest Lord is omniscient, omnipotent and omnipresent. As I ...