Erasmus also taught the habits needed for a fulfilling intellectual life, and here the key thing is to have a richly stocked mind with as large a frame of reference as possible. This will bring better judgment and an ability to express yourself with understanding as well as elegance. He recommends reading good books and following a popular technique of the time: keeping notes grouped by subject, so you can remember what you read and combine it with other ideas in useful ways. If no paper is to hand, you can paint notes on a wall, or even scratch them into window glass. The important thing is
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