Mathematics (数学) S.D. Poisson (1781-1840): Life was only good for two things: to do mathematics and to teach it. K. Weierstrass (1815-1897): It is true that a mathematician ...
W. Heisenberg (1901-1976): When I meet God, I am going to ask him two questions: Why relativity ? And why turbulence ? I really believe he will have an answer for the first. ...