Noted failure Babe Ruth struck out 1330 times, which was a record that lasted until Mickey Mantle failed even harder.

Failure is a part of life and is one aspect of our growth as humans. If one has never failed then one has probably never attempted to do much in life.

As far as space goes, there isn't any. The closest is Falcon Heavy, which turned out much more complicated and expensive than originally expected. But it flies.