David Hilbert (Mathematician) Pythagorus would be proud! Mathematical science is in my opinion an indivisible whole, an organism whose vitality is conditioned upon the connection of its parts.

David Hilbert (Mathematician) The Movable Mover The infinite! No other question has ever moved so profoundly the spirit of man.

David Hilbert (Mathematician) The Hilbert Certainty Principle Wir müssen wissen. Wir werden wissen. or... We must know — we will know!