Authors:

If a book told you something when you were fifteen, it will tell you it again when you're fifty, though you may understand it so differently that it seems you're reading a whole new book.

Ursula K. Le Guin (2016). “Words Are My Matter: Writings About Life and Books, 2000-2016, with a Journal of a WriterĂ•s Week”, p.77, Small Beer Press
If a book told you something when you were fifteen, it will tell you it again when you're fifty, though you may understand it so differently that it seems you're reading a whole new book.