He concluded that therefore their love life is "unknowable and incomprehensible". He claimed that the fundamentally ambiguous nature of language makes intention unknowable. The claim that the existence of any deity is unknown or unknowable is agnosticism. In agnosticism, the existence of God is deemed unknown or unknowable. If the supernatural is inherently unknowable, then there is no reason to accept its reality. The infinite, lacking any form, is thereby unknowable. Secondly, Kant remarks that free will is "inherently unknowable". Some found them quite frightening and unknowable. Branch concludes that the effort will be never-ending and the whole truth ultimately unknowable. Continuing on this line of thought, God is completely unknowable by the mind. She did not deny a first cause but declared it unknowable. She has erred in attempting to know the unknowable Robin. He concluded that the successor system(s) is unknowable.