Mark Twain Quotes
I would rather have my ignorance than another man's knowledge, because I have so much of it.
Twain, Mark. Mark Twain's Speeches. Harper & Brothers, 1910.
No record has been found of Einstein saying this. See citation.
Few politicians publicly admit that they do not know something. This was a common Rumsfeld response. What is more, he was very certain of the fact.
Samuel Langhorne Clemens, known by his pen name Mark Twain, was an American writer, humorist, entrepreneur, publisher, and lecturer. He was lauded as the "greatest humorist the United States has produced," and William Faulkner called him "the father of American literature". His novels include The Adventures of Tom Sawyer (1876) and its sequel, the Adventures of Huckleberry Finn (1884), the latter often called "The Great American Novel".