'Once said is not remembered'
Have you ever wondered why you have read a thousand books and hardly remember anything?
Well, no surprise, you're not alone! Apart from repetition, learning requires active processing. But how to do that?
One way is to test yourself frequently and better sooner than later: If you are reading a book, stop after each chapter and ask yourself 'What have I just read?'. Then answer that question either in your mind or (even better) on a piece of paper. If you don't reme