וַיָּ֣קָם מֹשֶׁ֔ה וִיהוֹשֻׁ֖עַ מְשָׁרְת֑וֹ וַיַּ֥עַל מֹשֶׁ֖ה אֶל־הַ֥ר הָאֱלֹהִֽים׃
And Moses rose up, and Joshua his minister; and Moses went up into the mount of God.
Read kabbalistic (mystical) interpretation of Exodus 24:13: and classical mystical sources.