Ecclesiastes 1:12, 13, 16
Ecclesiastes 1:13 NIV
I applied my mind to study and to explore by wisdom all that is done under the heavens. What a heavy burden God has laid on mankind!
Ecclesiastes 1:16 NIV
I said to myself, “Look, I have increased in wisdom more than anyone who has ruled over Jerusalem before me; I have experienced much of wisdom and knowledge.”