Do Not Rush the Explanation
And we know that all things work together for good to them that love God, to them who are the called according to his purpose.
Romans 8:28 KJV
Some of the least helpful words arrive when someone tries to explain another person's suffering too quickly. Romans 8:28 offers solid hope, but it should not become a way to avoid listening.
Paul does not call evil good. He teaches that God works for the good of those who love Him and are called according to His purpose. Verse 29 identifies conformity to Christ within that purpose. The promise is larger than immediate relief and more dependable than our guesses about particular events.
If you are hurting, seek support without feeling required to produce a complete explanation. If a friend is hurting, offer your presence and practical care. Speak confidently about God's faithfulness and modestly about the reasons He has not revealed. Trust does not require pretending to know everything.
Keep the passage in context
The promise is addressed to those who love God and are called according to His purpose. Verse 29 connects that purpose with conformity to Christ. The passage does not call every event good or promise immediate comfort.
Read further: Romans 8 in the King James Bible.