Work very hard, every day for weeks, months and years until you get it right; then work even longer until you can't get it wrong. I've found that to be the "secret".
This is it. There are no secrets, no short-cuts. If there were we would all be using them.
Techniques like spaced repetition and even the good-old "programmed instruction" that was popular into the 80's might help a little if the information is amenable to that. Some folks do better with certain techniques and not others. Some folks are better able to pivot previous skills into learning new ones faster. All of these require focus and planning-- which is just another kind of work.
I do believe however that having a mentor, someone that can challenge you in the right way, evaluate your progress, and direct your attention is more valuable than any self-help hack.
It's sad that "quickly" is such an important condition, though. Why quickly? Some things just aren't quick.
Techniques like spaced repetition and even the good-old "programmed instruction" that was popular into the 80's might help a little if the information is amenable to that. Some folks do better with certain techniques and not others. Some folks are better able to pivot previous skills into learning new ones faster. All of these require focus and planning-- which is just another kind of work.
I do believe however that having a mentor, someone that can challenge you in the right way, evaluate your progress, and direct your attention is more valuable than any self-help hack.
It's sad that "quickly" is such an important condition, though. Why quickly? Some things just aren't quick.