Faith is the reason we remember great people who lived in the past.
In the past God spoke to our ancestors through the prophets many times and in many different ways.
All these people are known for their faith, but none of them received what God had promised.
It was by faith that Abel offered God a better sacrifice than Cain did. God said he was pleased with the gifts Abel offered and called Abel a good man because of his faith. Abel died, but through his faith he is still speaking.