Acts 8:1-40 - Understandest thou what thou readest?

Acts 8:29-31

Then the Spirit said unto Philip, Go near, and join thyself to this chariot.

And Philip ran thither to him, and heard him read the prophet Esaias, and said, Understandest thou what thou readest?

And he said, How can I, except some man should guide me? And he desired Philip that he would come up and sit with him.