The moon is considered a relatively easy object to land humans on, everything else is much harder by orders of magnitude. It is the reason why we have not been to Mars and will likely never go there successfully with humans.

Many people who became successful were once first time global failures. But because they didn't give up on their dreams, failure could not sink them. They triumphed at last!

Be Courageous: Succeed or Fail Monumentally!

The power to wage war is the power to wage war successfully.