Not that anybody ever doubted that, but now we have scientific evidence.
An article on “Idea of the day” talks about a study on books and schooling in 27 nations. It says that “Children growing up in homes with many books get 3 years more schooling than children from bookless homes, independent of their parents’ education, occupation, and class. This is as great an advantage as having university educated rather than unschooled parents, and twice the advantage of having a professional rather than an unskilled father.”
To add a library to a house is to give that house a soul. Cicero