That eminence of learning is not to be gained without labour, at least equal to that which any other kind of greatness can require, will be allowed by those who wish to elevate the character of a scholar; since they cannot but know that every human acquisition is valuable in proportion to the difficulty of its attainment.
Samuel Johnson (1810). “The Works of Samuel Johnson, LL.D.: With An Essay on His Life and Genius”, p.139