Success is not inevitable, as in They published your article but not your rebuttal to the reviewer? Well, you can't win 'em all. [First half of 1900s] For a synonym, see win some, lose some.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.