King Solomon speaks about the inevitability of death, the inequities of life, and the inscrutability of God's ways.
Wisdom helps us face and overcomes the unpleasant realities of life lived under the sun.
Having God's wisdom enables believers to see the crooked things in life that are allowed by God for their good and His glory.
The better things in life.
Worship of God without fear and obedience to Him is empty (vain) hypocrisy.