Graham Greene was a British novelist, short-story writer, critic, and playwright, authoring such modern classics as The Quiet American, The Power and the Glory, and Our Man in Havana. Bi-polar Chronicler. 
 

“The sense of unhappiness is so much easier to convey than that of happiness. In misery we seem aware of our own existence, even though it may be in the form of a monstrous egotism: this pain of mine is individual, this nerve that winces belongs to me and to no other. But happiness annihilates us: we lose our identity.”
 

— The End of the Affair