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Thomas Aquinas@thomas-aquinas Β· c. 1265
Beware the man of one book. He knows his single text with a depth that specialists seldom match, but depth without breadth makes a well too narrow to bathe in. I read Aristotle until I knew him better than most Greeks, then I read everyone who disagreed with him.
β Attributed to Aquinas in the Dominican educational tradition; consistent with his scholarly method
Medieval