Samuel Johnson (18 September [O.S. 7 September] 1709 – 13 December 1784), often called Dr Johnson, was an English writer who made lasting contributions as a poet, playwright, essayist, moralist, literary critic, sermonist, biographer, editor, and lexicographer. The Oxford Dictionary of National Biography calls him "arguably the most distinguished man...
I was seldom able to see an opportunity until it had ceased to be one.
If you have knowledge, let others light their candles at it.
People are difficult to govern because they have too much knowledge.