12 November 2019

Sounding the Depths

John Alfred Spender, The Comments of Bagshot (London: J. M. Dent, 1914), p. 30:
It is necessary to fathom one's ignorance on one subject in order to discover how little one knows on other subjects.

Illustration from Sebastian Brant's Ship of Fools
Hat tip: Stepan Chizhov at iBookBinding.com