The phrase "than the world" is an idiomatic expression that means something is better or more desirable than anything else in the world. It suggests a high level of preference, admiration, or affection for whatever follows it.
Sentences with «than the world»
A few minutes per week of intense quality «effort» may do more than a world of good. (xiser.com)
Having the right balance in our team will help us more in big matches rather than a world class striker. (justarsenal.com)
You're damned right this is about more than the world of advertising — or work, or anything else. (gapingvoid.com)