The mathematician learns early to accept no fact, to believe no statement, however apparently reasonable or obvious or trivial, until it has been proved, rigorously and totally by a series of steps proceeding from universally accepted first principles.


In: Douglas M. Campbell and John C. Higgins (eds.), Mathematics: People, Problems, Results (Volume 2)


The mathematician learns early to accept no fact, to believe no statement, however apparently reasonable or obvious or trivial, until it has been...

The mathematician learns early to accept no fact, to believe no statement, however apparently reasonable or obvious or trivial, until it has been...

The mathematician learns early to accept no fact, to believe no statement, however apparently reasonable or obvious or trivial, until it has been...

The mathematician learns early to accept no fact, to believe no statement, however apparently reasonable or obvious or trivial, until it has been...