Enlighten as in teach. Black on a page has done more of that than any lamp.
What is black itself, yet enlightens the world?
Give me a hintThe hint
Every book you have ever read is full of it.
Lee WLee WA Victorian conundrum with a pun hiding in its last few words.
What is black itself, yet enlightens the world?
Every book you have ever read is full of it.
Enlighten as in teach. Black on a page has done more of that than any lamp.
Source: How to Solve Conundrums, 1900