For neither the pleasure derived from gold nor any other of the possessions which are prized by shallow minds confers the same benefit as the pursuit of culture and the study which we expend in securing it. But that I may not weary you by a too lengthy introduction, I will proceed at once to the substance of my narrative.
Demetrius of Phalerum, the president of the king's library, received vast sums of money, for the purpose of collecting together, as far as he possibly could, all the books in the world. By means of purchase and transcription, he carried out, to the best of his ability, the purpose of the king. On one occasion when I was present he was asked, How many thousand books are there in the library?