Ian Hay, Paid In Full — Chapter 4 (1925)
“ Denny looked up, surprised.‘Why?’‘Because every time we make what is known as a bloomer, we learn something. The man who sits back and never asks a foolish question never gets anywhere, under any circumstances. Denny, promise me something.’‘Rather, Uncle Tony!’‘At least half of this globe is peopled by folk whose chief joy in life is to impart information; so don’t disappoint them. They will teach you all you want to know, and gladly, for nothing, if you will let them. The failures of humanity are the people who were too proud and too shy to admit that they did not know ”
