הֶן־אֵ֣ל שַׂ֭גִּיא וְלֹ֣א נֵדָ֑ע מִסְפַּ֖ר שָׁנָ֣יו וְלֹא־חֵֽקֶר׃
Behold, God is great, beyond our knowledge; The number of His years is unsearchable.
Read Kabbalistic (mystical) interpretations of Job 36:26: Zohar and classical Jewish mystical sources, free online.