This was one of the core tenets of the works of Pseudo-Dionysius the Areopagite, who said of God, "Neither is there sense, nor image, nor opinion, nor reason, nor knowledge of Him.
Saint Dionysus taught the apophatic way, which involves stripping away any conceptual understanding of God that might become all-encompassing.
[6] Within Mahayana Buddhism, there is a species of scripture which essays a descriptive hint of Ultimate Reality by using positive terminology when speaking of it.
Nirvana, for example, is equated with the True Self of the Buddha (pure, uncreated and deathless) in some of the Tathagatagarbha scriptures, and in other Buddhist tantras (such as the Kunjed Gyalpo or 'All-Creating King' tantra), the Primordial Buddha, Samantabhadra, is described as 'pure and total consciousness' – the 'trunk', 'foundation' and 'root' of all that exists.
[8] The paradoxical nature of Krishna, the Absolute, being both beyond description and having qualities is discussed throughout the Gaudiya Vaishnavism literature.