SAT SRI AKAAL,
Word which one can not imagine is just read/written/spoken, Reference:: Sikh Philosophy Network http://www.sikhphilosophy.net/sikh-sikhi-sikhism/38249-sikh-do-you-ever-ask-when.html
one should be able to imagine to know word,
and than imagination which can not be realised is not real (SAT), but just "EGO" one's own mind's thought creation. Experience SAT or Real
What is word "SOUL" and "SPIRIT"? Sat of these words.