7By faith Noah, being warned by God concerning events as yet unseen, in reverent fear constructed an ark for the saving of his household. By this he condemned the world and became an heir of the righteousness that comes by faith.
Genesis 6:9 NIV
9This is the account of Noah and his family. Noah was a righteous man, blameless among the people of his time, and he walked faithfully with God.
Sometimes God calls us to do something that we’ve never done before!
Abraham and Sarah - The Couple Who Believed God for the Impossible
Hebrews 11:8 ESV
8By faith Abraham obeyed when he was called to go out to a place that he was to receive as an inheritance. And he went out, not knowing where he was going.