כִּֽי־אֵינֶ֥נּוּ יֹדֵ֖עַ מַה־שֶּׁיִּֽהְיֶ֑ה כִּ֚י כַּאֲשֶׁ֣ר יִֽהְיֶ֔ה מִ֖י יַגִּ֥יד לֽוֹ׃
For he knoweth not that which shall be; for even when it cometh to pass, who shall declare it unto him?
Read kabbalistic (mystical) interpretation of Ecclesiastes 8:7: and classical mystical sources.