Solomon's Main Messages in The Book of Ecclesiastes
Sermon 1: The vanity of human wisdom, Sermon 2: Appreciate the
divine laws governing life, Sermon 3: There is no fulfillment
in any earthly pleasures or wealth, Sermon 4: God will deal
with the worlds injustices, Conclusion: fear the Lord and to
obey his word.
Link: https://bible-history.com/studybible/Ecclesiastes/