" Spaced repetition is just what it sounds like. In order to commit more to memory and retain information better, space out your rehearsal and exposure to it over as long a period as possible. In other words, you will remember something far better if you study it for one hour a day, versus twenty hours in one weekend. This "

― Peter Hollins , Learn Like Einstein: Memorize More, Read Faster, Focus Better, and Master Anything With Ease… Become An Expert in Record Time (Accelerated Learning)