A mathematician is always a mathematician, even without his formulas and diagrams.


A Course of English Reading (4th edition), Chapter XII (p. 265)


A mathematician is always a mathematician, even without his formulas and diagrams.

A mathematician is always a mathematician, even without his formulas and diagrams.

A mathematician is always a mathematician, even without his formulas and diagrams.

A mathematician is always a mathematician, even without his formulas and diagrams.