Whenever you face a problem, take a break. Sleep. Clean your room. Do anything except work on the problem. 

Just forming chunks is not sufficient. You have to maintain them. The more you look after the chunks, the longer they last.

A procrastinator is a person who has a HABIT of getting distracted by things.

Metaphors will help you understand and recall more easily. 

Every task has a certain Activation Energy (AE), where you initiate certain steps in order to start a task.

The #1 thing you need to do to correctly memorize concepts is understand them. To successfully understand something, visualizing it is key. 

Parkinson’s second law: Work expands so as to fill the time available for its completion.

Lack of sleep affects memory and recall. 

Transfer learning is the ability to take what you learn in one domain and apply it to a new skill.

People learn when they are self-motivated, not when someone comes in front of them for four hours a week, and tells something to them.