What does the Bible say about mourning and sorrow?

The Bible often discusses the nature of sorrow and mourning as a part of the human experience, particularly in the Psalms. For example, Psalm 43 captures David's plea to God amid his sorrow and confusion. He questions why he feels cast off and mournful, yet he ultimately encourages himself to hope in God. This illustrates that while mourning may be an inevitable part of life, it should lead us back to our faith in God, who is our strength and joy. David's call to let God's light and truth lead him reinforces the idea that God can guide us through our darkest times, showing us that true hope comes from Him.