Which is a simple sentence? A) Why didn't you call me after you finished your chores? B) Can you help me with this, or should I
ask someone else? C) Did you know that we went to get ice cream after school yesterday? D) Are you going to the store with your mother or your sister this afternoon?
The person wonders if there is a point when humans know everything, or if there is a point where humans are too full of knowledge to learn anything else.