There are no greater treasures than the highest human qualities such as compassion, courage and hope. Not even tragic accident or disaster can destroy such treasures of the heart.

This quote is talking about the most valuable things a person can have: compassion, courage, and hope. These things are far more valuable than any material possession, and not even the worst disasters in life can damage them. These qualities are treasured by the heart, and will stay with someone even when everything else is gone.