In mathematics rigor is not everything, but without it there would be nothing; a demonstration which is not rigorous is void.


Annual Report of the Board of Regents of the Smithsonian Institution, 1909, The Future of Mathematics (p. 127)

Henri Poincaré Quotes

In mathematics rigor is not everything, but without it there would be nothing; a demonstration which is not rigorous is void.

In mathematics rigor is not everything, but without it there would be nothing; a demonstration which is not rigorous is void.

In mathematics rigor is not everything, but without it there would be nothing; a demonstration which is not rigorous is void.

In mathematics rigor is not everything, but without it there would be nothing; a demonstration which is not rigorous is void.