No estimate is more in danger of erroneous calculations than those by which a man computes the force of his own genius.
Samuel JohnsonThere is no book so poor that it would not be a prodigy if wholly made by a single man.
Samuel JohnsonBetween falsehood and useless truth there is little difference. As gold which he cannot spend will make no man rich, so knowledge which cannot apply will make no man wise.
Samuel Johnson