dullness eternity age eon lifetime aeon awareness consciousness observation perception cognition heedfulness regard alertness attention mindfulness advertence heed knowledge discernment responsiveness wake attentiveness enlightenment notice apperception consideration realization sensibility cognizance observance wakefulness wariness apprehension cognisance realisation understanding advertency familiarity liveliness vigilance activity energy insight acquaintance awakening recognition sentience continuation forever ages centuries days eons months weeks years aeons repose rest unimportance whole dull darken bore attend condemn punish pause slow walk conceal cover hide listen refrain refuse suppress