'Ideas' in the Bible

For calamity, there is derision (according to the ideas of the fortunate) -- a fate for those whose feet slip!

So I decided to discern the benefit of wisdom and knowledge over foolish behavior and ideas; however, I concluded that even this endeavor is like trying to chase the wind!

Next, I decided to consider wisdom, as well as foolish behavior and ideas. For what more can the king's successor do than what the king has already done?