"a room without books is a body without soul"
"a great man is he who has not lost the heart of a child"
"character is what you are in the dark"
"curiosity is one of the permanent and certain characteristics of a vigorous intellect"
"curiosity is, in great and generous minds, the first passion and the last"
"education: that which discloses to the wise and disguises from the foolish their lack of understanding"
"egotist: a man who tells you those things about himself which you intended to tell him about yourself"