This song is all about the ascension to success and mastery of your craft. Based off of the Malcolm Gladwell theory that you need to commit 10,000 hours of deliberate practice to master any task. This theory has been slightly debunked, although deliberate practice is still very important.

New Study Destroys Malcolm Gladwell's 10,000 Hour Rule — Business Insider

The 10,000 Hour Rule - closely associated with pop psych writer Malcolm Gladwell - may not be much of a rule at all. The principle holds that 10,000 hours of "deliberate practice" are needed to become world-class in any field.