Edmund Landau quotes

Edmund Landau was a German mathematician renowned for his work in number theory and mathematical analysis. His clear exposition and rigorous approach helped shape the foundations of modern mathematics. He made significant contributions to the understanding of prime numbers and mathematical rigor. Here are 7 of his quotes:

My book is written, as befits such easy material, in merciless telegram style ("Axiom," "Definition," "Theorem," "Proof," occasionally "Preliminary Remark")... I hope I have written this book in such a way that a normal student can read it in two days. And then (since he already knows the formal rules from school) he may forget its contents.

Edmund Landau

Number theory is useful, since one can graduate with it.

Edmund Landau

I will ask of you only the ability to read English and to think logically-no high school mathematics, and certainly no higher mathematics.

Edmund Landau

We mathema­ticians are all a little bit crazy.

Edmund Landau

Please don't read the preface for the teacher.

Edmund Landau

The multiplication table will not occur in this book, not even the theorem,2 \cdot 2 = 4,but I would recommend, as an exercise, that you define2 = 1 + 1, 4 = (((1 + 1) + 1) + 1)and then prove the theorem.

Edmund Landau