Illustration from American Examiner
magazine published shortly after
Clemens' death in 1910 captioned
"Behind the mask of the humorist was
the face of the philospher."
Illustration from the Dave Thomson collection.

...there is a good side and a bad side to most people, and in accordance with your own character and disposition you will bring out one of them and the other will remain a sealed book to you.
- unpublished Autobiographical Dictation, reprinted in Notebooks & Journals, Vol. 3.