貯蔵や蓄積はJ型に親和的。
漸進的な充実（コレクションとはそういうもの）もJ型に親和的。
でもウンベルト・エーコが言う積読肯定論は、いざという時に何が役立つか事前に知ることはできず、だからこそ選択肢を多く持っておきたい、て感覚がベース。
これはP型に親和的かも
Quote
Reads with Ravi
@readswithravi
Umberto Eco, who owned 50,000 books, had this to say about home libraries:
“It is foolish to think that you have to read all the books you buy, as it is foolish to criticize those who buy more books than they will ever be able to read. It would be like saying that you should use
