Deep Reading vs Skimming
Seneca
Letters From a StoicSeneca advises against reading many authors indiscriminately and recommends focusing on a few great writers for lasting mental nourishment. He warns that being everywhere is to be nowhere.
...LETTERS FROM A STOIC LETTER II JUDGING from what you tell me and from what I hear, I feel that you show great promise. You do not tear from place to place and unsettle yourself with one move after another. Restlessness of that sort is symptomatic of a sick mind.
Nothing, to my way of thinking, is a better proof of a well ordered mind than a man's ability to stop just where he is and pass some time in his own company. Be careful, however, that there is no element of discursiveness and desultoriness about this reading you refer to, this reading of many different authors and books of every description. You should be extending your stay among writers whose genius is unquestionable, deriving constant nourishment from them if you wish to gain anything from your reading that will find a lasting place in your mind. To be everywhere is to be nowhere.
People who spend their whole life travelling abroad end up having plenty of places where they can find hospitality but no real friendships. The same must needs be the case with people who never set about acquiring an intimate acquaintanceship with any one great writer, but skip from one to another, paying flying visits to them all. Food that is vomited up as soon as it is eaten is not assimilated into the body and does not do one any good; nothing hinders a cure so much as frequent changes of t...
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