Thomas Babington Macaulay, letter to his sister Margaret, quoted in George Otto Trevelyan,
The Life and Letters of Lord Macaulay, Vol. I (London: Longmans, Green, and Co., 1877), p. 392:
Books are becoming everything to me. If I had at this moment my choice of life, I would bury myself in one of those immense libraries that we saw together at the universities, and never pass a waking hour without a book before me.
My copy of this book was once in the library of the Berkhamsted Mechanics' Institute (shelf mark E XIII 14). The Institute existed (with a name change to Berkhamsted Institute in 1930) from 1845 to 1993. Here is a photograph of the Institute's reading room:
