Arcana Coelestia # 8580
8580. 'Take in your hand, and go' means that furnished with that power, he is to carry out what has been commanded. This is clear from the meaning of 'taking in his hand' - taking his rod in it - as being furnished with that power. The fact that 'go' means carrying out what has been commanded is clear without explanation.
Judges 13:19-20
19
So Manoah took the young goat with the meal offering, and offered it on the rock to Yahweh: and [the angel] did wondrously, and Manoah and his wife looked on.
20
For it happened, when the flame went up toward the sky from off the altar, that the angel of Yahweh ascended in the flame of the altar: and Manoah and his wife looked on; and they fell on their faces to the ground.
