What shows that the angels sent to Abraham and Lot were real beings?

Answer

"And he [Abraham] took butter, and milk, and the calf which he had dressed, and set it before them; and he
stood by them under the tree, and they did eat." "And he [Lot] made them a feast, and did bake unleavened
bread, and they did eat." Gen. 18:8; 19:3.

How are these gifts elsewhere spoken of?
To what did Gabriel now direct Daniel's attention?
What is necessary where there is a covenant?
Over what do the people of God finally gain the victory?
What is Neander's conclusion regarding this theory?
When did David say he would be satisfied?
How fully has God promised to supply our needs?

Questions & Answers are from the book Bible Readings for the Home Circle