This quote is written / told by Smedley Butler between June 30, 1881 and June 21, 1940. He/she was a famous Soldier from USA.
The author also have 3 other quotes.
"In fact men will fight for a superstition quite as quickly as for a living truth - often more so, since a superstition is so intangible you cannot get at it to refute it, but truth is a point of view, and so is changeable"