כִּ֤י מַה־חֶפְצ֣וֹ בְּבֵית֣וֹ אַחֲרָ֑יו וּמִסְפַּ֖ר חֳדָשָׁ֣יו חֻצָּֽצוּ׃
For what pleasure hath he in his house after him? Seeing the number of his months is determined.
Read kabbalistic (mystical) interpretation of Job 21:21: and classical mystical sources.