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.

Into what relationship to God does His love bring us?
What is said of those who read, hear, and keep the things contained in this book?
How had they done this?
Wherein does the new covenant differ from and excel the old?
After resting on the seventh day, what did God do?
What do the works of God declare?
What is said of the strength and character of the angels?

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