I believe it is Thinking is more important than physical activity
Making prediction is an important reading comprehension strategy and you need to identify the literary theme in order to do so. The theme is the reason why the author has written the piece; the message the author wants to convey through the story. If you know the theme, you can make prediction about how the story will progress.
In the Happy Prince, the theme is that appearance does not always represent one's true feeling; for example The big metal statue of the Happy Prince “feels” the compassion and sacrifices himself for the oppressed.
Depending on the sentence content, there are four ways to puncuate a compound sentence with two independent clauses -
Use a semicolon
Use a semicolon and a transition word (however, therefore)
Use a colon
Use a comma and coordinating conjunction (and, but, for)
Look up any of his books and check out his word play
