Learning anything fast

What are the top methods that you can employ in order to get maximum result and to yield better skills?
1. Write it down: Use pen and paper and write it down the information you gained to retain it better. Its scientifically proven. And try to write in your own language to make it yours.

2. Try to focus on one thing and do not multitask. Especially for new things and information it should be known to not multitask.

3. Pick things as individual part and master it. To learn guitar, you master chord first, then know strumming pattern and then slowly practicing you learn to play guitar. Its similar for any other things in life as well.
4. Celebrate and study your mistake. Obviously mistakes are not intended but know one is perfect. At the least what we can do is learn maximum from it. Do not exaggerate over it and make mistake fun to learn.
5. Be optimistic to improve skills, nothing can beat an open mind that seeks improvement in positive way.
6. Practice more often to make it really stick and see massive improvement. Its obviously no excuse thing. Without it not any skill sticks.
7. Relating learning things to day to day things can really increase your learning tendency and improve you by better familiarizing.
8. Don't rut in any task for too long. When you don't know anything seek to ask anything.
9. Identify best method that can give you the best result. Sometimes only blind practice may not be that much effective.
10. Pareto's law states that 80% of desired output can be obtained from 20% of inputs. So focus and master what can yield better result.
11. You better retain things when you learn things and use it immediately.