Time travels, which determines the 7 LIVES process of living creatures and reality.
Space brings the concept of the creation of these 7 LIVES process and so forth.
Without the profound concept of Time and Space, regardless one's cultivation base, one is destined to fall.
Even if you are a worshipped deity, and reduce even an the inch of studying Time and Space, the same brutal fate befalls you!
Eternity, What's the meaning of eternity?!