In my early years I read very hard. It is a sad reflection, but a true one, that I knew almost as much at eighteen as I do now.
In James Boswell 'The Life of Samuel Johnson' (1791) vol. 1, p. 445 (21 July 1763)

In my early years I read very hard. It is a sad reflection, but a true one, that I knew almost as much at eighteen as I do now.