David Hilbert Quotes
A mathematical theory is not to be considered complete until you have made it so clear that you can explain it to the first man whom you meet on the street.
Hilbert, David. "Mathematical Problems." Bulletin of the American Mathematical Society, vol. 8, no. 10, 1902, p. 438.
Attacking Congresswoman Clare Boothe Luce:
David Hilbert was a German mathematician and one of the most influential mathematicians of the 19th and early 20th centuries. Hilbert discovered and developed a broad range of fundamental ideas in many areas, including invariant theory, the calculus of variations, commutative algebra, algebraic number theory, the foundations of geometry, spectral theory of operators and its application to integral equations, mathematical physics, and the foundations of mathematics (particularly proof theory).