Is Space Exploration Worth The Cost?

One small step for man , and one giant leap for mankind. -Neil Armstrong , the first man to walk on the moon said.John F. Kennedy was the man who encouraged people to fly to the moon and he was passionate about space exploration. But does that mean that space exploration is worth the cost? Yes Space exploration is worth the cost but also for many other reasons for example; It will expand our knowledge , it could find cures to certain disabilities in the world , there would be thousands of job offerings , we will also be ahead of the other nations on space exploration.
Our knowledge can be expanded by usd seeking the unknown or discovering new and undefined resources that will eventually change the way we the people live on earth and maybe people