Yes, there is no doubt that paper is patient and as I don't intend to show this cardboard-covered notebook, bearing the proud name of "diary," to anyone, unless I find a real friend, boy or girl, probably nobody cares. And now I come to the root of the matter, the reason for my starting a diary: it is that I have no such real friend.
The Works of Anne Frank (ed. Greenwood Press, 1959)