To go out, as in Genesis 28:10, signifies to live more remotely. To go out to meet, as in Genesis 14:17, signifies to submit themselves. To go out and to come in, as in Zechariah 8:10, signifies the states of life from beginning to end.

(References: Arcana Coelestia 1721; Exodus 10, 28)

919. Verse 20 And Noah built an altar to Jehovah, and took from every clean beast, and from every clean bird, and offered burnt offerings on the altar.

'Noah built an altar to Jehovah' means a representative of the Lord. 'He took from every clean beast, and from every clean bird' means goods that stem from charity, and [the truths of] faith. 'And offered burnt offerings on the altar' means all worship stemming from those goods and truths.