Expression of life from conversation into the woods

Is the life a fate? a destiny? Chance? accident? inevitability?

Does the life become an expression when alive for as many as 46 years?

If it is Darwin, is the life equation clarified?｡

Is it important for the life the expression tries not to be clarified but to notice the existence of the expression?

Feeling of life expression =(timing × balance) sense of Shinichiro Yamanaka.