Meaning of “It is not that we have a short…”

The verse places change inside a larger rhythm of seasons and purposes, making it useful for thinking about acceptance when one phase of life gives way to another.

Mortality cannot be eliminated, so the practical answer is to make conscious use of the finite span between beginning and end.

Each stage of life occurs only once, so wisdom includes accepting its appropriate strengths instead of endlessly trying to restore an earlier stage.

The emphasis is not on controlling every outcome but on meeting what comes with preparedness and acceptance.

Seneca shifts responsibility from nature to the way a person spends attention and time: life feels shortened when it is repeatedly surrendered to distraction.

Stability is temporary, so practical judgment requires expecting change rather than treating present arrangements as permanent.