At the end of a life man notices that he has spent years becoming sure of a single truth. But a single truth, if it is obvious, is enough to guide an existence.
 Albert Camus, The Myth of Sisyphus (1942). copy citation

add
Author Albert Camus
Source The Myth of Sisyphus
Topic truth existence
Date 1942
Language English
Reference
Note Translated by Justin O'Brien
Weblink http://www2.hawaii.edu/~freeman/courses/phil360/16.%20Myth%20of%20Sisyph...

Context

“Beware of those who say: ‘I know this too well to be able to express it.’ For if they cannot do so, this is because they don’t know it or because out of laziness they stopped at the outer crust. “I have not many opinions. At the end of a life man notices that he has spent years becoming sure of a single truth. But a single truth, if it is obvious, is enough to guide an existence. As for me, I decidedly have something to say about the individual. One must speak of him bluntly and, if need be, with the appropriate contempt. “A man is more a man through the things he keeps to himself than through those he says.” source