Mark Twain (Samuel Langhorne Clemens), 1835-1910
was an US humorist, novelist, short story author, and wit
When a disciple from the wildcat religious asylum comes marching forth, get under the bed. It doesn't matter whether he's a Christian, Hindu, Jew or Muslim.
Albert Einstein, 1879-1955
was an US (German-born) physicist
If my theory of relativity proves to be correct, Germany will claim me a German, and France will claim me a citizen of the world. However, if it proves wrong, France will say I'm a German, and Germany will say that I'm a jew.