In a very basic way, a prominent landmark such as Mt. Holyoke tells you where you are. They let you know that you're not the first person in a place.
Therefore God is one, if that which admits of so great power can be nothing else: and yet those who deem that there are many gods, say that they have divided their functions among themselves; but we will discuss all these matters at their proper places.
I ate while I was taking chemo. The doctors didn't know. I really didn't get any nausea. I didn't have side effects. I would be drained for a day and a half.