Infinity

For it was my master who taught me not only how very little I knew but also that any wisdom to which I might ever aspire could consist only in realizing more fully the infinity of my ignorance.

-- Sir Karl Raimund Popper (28 July 1902 - 17 September 1994), Austrian-British philosopher, academic, and social commentator, Unended Quest, An Intellectual Autobiography (1974) p. 2