Solomon concluded that God is sovereign as he considered the times of life and their purpose. He has seen that God can use the burdens of life for good. Ecclesiastes 3: 11 Yet God has made everything beautiful for its own time. He has planted eternity in the human heart, but even so, people cannot see the whole scope of God’s work from beginning to end.
Solomon wanted to know the purpose of life, but as he looked at the seasons, he realized that he couldn’t see nor fully comprehend God’s plan. There are different times in life, but God does not always reveal them fully to us; they remain mysteries. It will not be until we enter eternity that we will understand God’s complete plan.
Walk by Faith
As we study Scripture, we discover that the more we know, the more we don’t know. I think this deepens the wonder and awe of the sovereign wisdom of God. Jesus called us to have trust like a child. Matthew 19: 14 But Jesus said, “Let the children come to me. Don’t stop them! For the Kingdom of Heaven belongs to those who are like these children.” 
Children do not understand the workings of the world but simply trust their parents to care for them. It is the same with us and our Heavenly Father. We may not understand what He is doing, but we can trust He is good and will care for us.
God’s Purpose is That We Should Fear Him
We have not begun to fear God until we recognize and trust God’s wisdom. We should not be in terror of Him but respect and honor Him. If we try to live without acknowledging God, we will find ourselves, like Solomon, empty, dissatisfied, and thinking life is meaningless. We must look to God for the final word.
Ecclesiastes 3: 14 And I know that whatever God does is final. Nothing can be added to it or taken from it. God’s purpose is that people should fear him. Most of life’s struggles come when we want to be in charge instead of humbling ourselves before God. At times we are offended when God doesn’t do it our way; some will even abandon their faith. But we must realize that whatever God does is final, and He knows best.
How can life be meaningless when God has made us part of His eternal plan? If you have trusted Jesus, God is preparing an eternal home for you. If we fear God, we need not fear anything else, for God is sovereign.
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[1-3] Tyndale House Publishers. (2015). Holy Bible: New Living Translation. Tyndale House Publishers.