# Quotes

The plan here is to collect some quotes that I have heard or read somewhere. They will not be categorized according to subject now, maybe in the future I may do so.

The first principle is that you must not fool yourself — and you are the easiest person to fool.

Richard Feynman

What one fool can do, another can do better.

Richard Feynman

The set of things that I don’t know is dense in any topology.

in a complex analysis lecture at ICTPFabio Vlacci

Once you have said a thing, it is very difficult to say it in another way.

Aristotle

We must know, we shall know.

David Hilbert

Now we move quickly and painfully, or painlessly depending on who you are, and derive the Schrödinger equation.

while speaking at a Mathematics Collouquim in the University of Vienna, 2017.Douglas Hofstadter

Every math talk should include at least one joke and one proof, preferably distinct.

while speaking at a Summer School for PhD students of the University of Vienna, Obergurgl, September 2017.Henry Cohn

Someday somebody will be able to write a paper with a great title 'The best packing is the best, or 'not...', it won't make sense unless someone knows which is which.

explaining about results of Best in sphere packing, Obergurgl, September 2017.Henry Cohn

If you are going to read only one thing about information theory then this is it; also you should read at least one thing about information theory in your life.

, Obergurgl, September 2017.Henry Cohn

The world of math is path connected.

while lecturing about Poincare Conjecture, Obergurgl, September 2017.Mathias Kreck

God created the world in four dimensions, well 11 if you are a string theorist. But it's 4+7.

while lecturing about Poincare Conjecture, Obergurgl, September 2017.Mathias Kreck

The name is what it is. But it's wrong.

on positive definite kernels, Obergurgl, September 2017.Mathias Kreck

Mathematics is the universal language that no one speaks.

, Vienna, September 2017.Pierre Loius Lions

I have a lot of knowledge in my computer.

referring to the files saved on his computer, while at lunch in Vienna, 2017.Vivien Ripoll

If you are dying it's supposed to be a full time job, but Ramanujan sent a letter three months before his death to Hardy.

speaking about Ramanujan, Hagenberg, 2017.George Andrews

The airline ticket pricing policy was very fortunate, if you spend three weeks in Europe then the price was $\epsilon$, if you spent less than three weeks then it was $\dfrac{1}{\epsilon}$.

while speaking about how he discovered Ramanujan's Lost Notebook, Hagenberg, 2017.George Andrews

I became the leading expert on mock theta functions, in the sense that no one else knew about it at that time.

speaking about Ramanujan, Hagenberg, 2017.George Andrews

Please think of this 4 as a 5.

pointing out a typo in one of his slides, Hagenberg, 2017.George Andrews

Harold Potter came, then some magic happened.

referring to a result by H. Potter, mathematician, Vienna, 2017.Michael Schlosser