How to learn difficult subjects quickly..

Step 1: Bombard yourself with information
Step 2: Identify the key concepts and make them yours
Step 3: Only memorize what absolutely has to be memorized
Step 4: Get some feedback on your understanding
Step 5: Bombard yourself with some more information, but from another source
Step 6: Get some real-world feedback

...saw this really interesting article from paulstips.com