Have you read A Message to Garcia?
If you would like to read it now, you can read pages 15 to 23 of this document.
What prompted me to write about this short essay by Elbert Hubbard from 1899 is that, surprisingly, a lot of corporate leaders have been picking this up recently.
But, that is not a good sign.
Why? Take a look at some of the reviews for this essay on Goodreads: