idiocosm

macrocosm -- large cosmos
microcosm -- small cosmos
idiocosm -- one's own personal "cosmos"; one's own personal/individual understanding of the cosmos.

21st!?

all those ahistorically living in the "20th/21st",
do not understand even "20th" and "21st",
not to consider how they are being when.

the changing of the forms...

the history of ideas
study of the timely changing "forms" of "the meaning of life"
the molting originals of the meanings of THE shadowy human spectacle

unconscious abandonment

the state of spiritually abandoned "secular" being
is best ignored, as is evidenced in its unconscious popularity

to be or not to be

most answer:
maybe