כִּֽי־שְׁנ֣וֹת מִסְפָּ֣ר יֶאֱתָ֑יוּ וְאֹ֖רַח לֹא־אָשׁ֣וּב אֶהֱלֹֽךְ׃
For the years that are few are coming on, And I shall go the way whence I shall not return.
Rashi on Job
For numbered [years] The limited number of the days of my life.
Malbim on Job
Eliphaz had argued that the true reward of the righteous is the survival of the soul after death. Job now challenges Eliphaz to bring proof that there is a life after death.
Rashi on Job
will come Will arrive, and then I will go on a way from which I will not return.