Abel's sacrifice through which God confirmed that he was righteous.
Enoch, a testimony that pleased God: "he who comes to God must believe that He is, and that He is a rewarder of those who diligently seek Him".
Noah "believed that He is" and on the strength of that built an ark for a rain and a flood that had never happened before in the history of the world.
Abraham obeyed in faith and went out not knowing where he was going.
Sarah believed she would give birth to a son for multitudes of descendants to come.
