understanding, comprehension / appreciation

the world of the living; this world

to feel / to sense / to experience

life / Literally, person's past. Used when speaking about the former life of a dead person.

understand, comprehend / appreciate

transient, impermanent, mutable

transience, impermanence, mutability / (figuratively) death, the impermanence of one's life

value, worth

deep, profound

deep, close, thick, profound