Analytical geometry has never existed. There are only people who do linear geometry badly, by taking coordinates, and they call this analytical geome…

- Jean Dieudonne

Now ... the basic principle of modern mathematics is to achieve a complete fusion [of] 'geometric' and 'analytic' ideas.

- Jean Dieudonne

On foundations we believe in the reality of mathematics, but of course, when philosophers attack us with their paradoxes, we rush to hide behind form…

- Jean Dieudonne

The life of a mathematician is dominated by an insatiable curiosity, a desire bordering on passion to solve the problems he is studying.

- Jean Dieudonne

It is indubitable that a 50-year-old mathematician knows the mathematics he learned at 20 or 30, but has only notions, often rather vague, of the mat…

- Jean Dieudonne

We have not begun to understand the relationship between combinatorics and conceptual mathematics.

- Jean Dieudonne