If you master hard things quickly, you will always rank among the top earners in your field. Moreover, if you can create valuable results from intelligent machines, you’ll become a highly valued expert in your field.
Immerse yourself in your work to master hard things quickly.
Many of the computer languages like Ruby on Rails didn’t exist ten years ago, and many will go extinct five or 10 years from now. So you need to quickly master the hard things that are in demand.
Learn to work with intelligent machines.
The real rewards are reserved not for those who are comfortable using Facebook (shallow task, easily replicable), but instead for those who can build the innovative distributed systems that run the service (deep task, hard to replicate).