They are people of slow-revolving mind, to whom statements in books are of the nature of authorities.

Lacordaire was one, I think.
"But there are others who are like sieves; who want a constant passing of materials of all kinds over them to let a little fall through; people who draw from a huge jumble of miscellaneous facts, theories, and thoughts, a little sediment of truth of the precise size to suit them.

Such a person was Macaulay.
"I believe that interference does more harm than good.

If you thrust books upon a mind of the first type, the result is confusion and weariness.

If you deny them to the latter, all you get is poverty of ideas, and morbidity, and mawkishness.