At the age of eleven, I began Euclid,
with my brother as my tutor. This was one
of the great events of my life, as dazzling
as first love. I had not imagined
that there was anything so delicious in the world.
— Bertrand Russell Autobiography: 1872-1914, (Routledge, 2nd Ed. 2000, p. 30).
More thoughtful quotes from Russell may be found here.