Albert Barnes Commentary Ecclesiastes 8:6

"for to every purpose there is a time and judgment; because the misery of man is great upon him:" — Ecclesiastes 8:6 (ASV)

Because, therefore—Or, as in Ecclesiastes 8:7, “for.”

The possibility of God’s time and judgment being in opposition to a king’s purpose or commandment (Ecclesiastes 8:5), suggests the thought that such discord is a misery (evil, Ecclesiastes 6:1) common to man (or, mankind).