古登堡计划创始人michael s. hart曾经写过一段话: "大多数人没有意识到,电子书有一个特点。它是人类有史以来,制造出来的第一种像空气一样取之不竭的产品。如果你仔细思考这一点,你就会意识到,我们正在做正确的事情。"(one thing about ebooks that most people h**en't thought much ** that ebooks are the very first thing that we're all able to h**e as much as we want other than air. think about that for a mom… 20210311