Ecclesiastes 1:12

Overview - Ecclesiastes 1
The preacher shews that all human courses are vain;
because the creatures are restless in their courses,
they bring forth nothing new, and all old things are forgotten;
12 and because he has found it so in the studies of wisdom.
Treasury of Scripture Knowledge

Ecclesiastes 1:12  (King James Version)
I the Preacher was king over Israel in Jerusalem.

1 ; 1 Kings 4:1-19