Arcana Coelestia # 3137
3137. 'At the spring' means the enlightenment of them from Divine truth. This is clear from the meaning of 'a spring' as truth, dealt with in 2702, 3096, here Divine truth, as above in 3131. Because the Word is Divine truth it is therefore called 'a spring'. That 'standing at the spring' here embodies in the internal sense the enlightenment of things in the natural man follows from the train of thought; for where Divine truth is, enlightenment is there.
Arcana Coelestia # 1067
1067. Verse 20 And Noah began to be a man (vir) of the ground, and planted a vineyard.
'Noah began to be a man of the ground' means in general a person who has been instructed from matters of doctrine concerning faith. 'And he planted a vineyard' means the Church resulting from this, 'vineyard' being the spiritual Church.