The graph that follows proves what we've
Image
been saing for years: Drupal isn't difficult to master, it is just the first few months that might scare you.
As you can see, contrary to other CMS, with Drupal your skills will be heightened at no time! Furthermore the rest of your drupal life will be a flatline, meaning that once you've mastered you'll be fine.
The image was twitted by webchick, sadly she doesn't seem to know the author of it.