By faith Noah, being warned of God of things not seen as yet, moved by fear, prepared an ark to the saving of his house; by which he condemned the world, and became heir of the righteousness which is by faith.
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Tertullian of Carthage
AD 220
Written in stone-tables, I contend that there was a law unwritten, which was habitually understood naturally, and by the fathers was habitually kept. For whence was Noah "found righteous"