• The only means of strengthening one's intellect is to make up one's mind about nothing, to let the mind be a thoroughfare for all thoughts.

    John Keats: The only means of strengthening one's intellect is to make up one's mind about nothing, to let the mind be a thoroughfare for all thoughts.
    Letter to George and Georgiana Keats, 24 September 1819, in H. E. Rollins (ed.) 'The Letters of John Keats' (1958) vol. 2, p. 213