**Je n'ai pas le temps.**
**Evariste Galois**

**I had ridden in taxi-cab
No. 1729, and remarked that the number (7.13.19) seemed to me rather a
dull one, and that I hoped it was not an unfavourable omen.**
**G.
H. Hardy 1921**

** ... but those who
lectured on the excavations at Knossos, or on relativity, or on the theory
of prime numbers, were delighted by the audiences that they drew.**
**G.
H. Hardy 1940**

**Is this now the limit
of what we can do? It may be, but it is unlikely an advance will be made
by people who think they cannot succeed.**
**C.
Pomerance 1994**

**Il y a ceux qui plantent
des forêts et ceux qui taillent des rosiers.**

**Maître
199?**

**The best time in an author's
life is when he has a new book and knows of no errors in it.**
**D.
Knuth Oct. 20, 2000 Waterloo, Ontario, Canada**

**L'art est un mensonge
qui nous aide a reconnaître la verité.**
**P.
Picasso**

**
L'enfer c'est les autres.**
**Jean-Paul Sartre**

**
In meines Herzens Grunde
Dein Nam' und Kreuz allein
Funkelt all Zeit und Stunde,
Drauf kann ich fröhlich sein.**

**
Tomorrow will be a day of 3-dimensional stamina.**
**S. M. W. October 2003, P. R. China**

**
I used to work many nights and weekends.**
**K. O. G. February 2009, Waterloo **

**
Logic merely sanctions the conquests of the intuition.**
**Jacques Hadamard**

**
The paper is confused.**
**Anonymous referee**

**
Puedo escribir los versos mas tristes esta noche.**
**Pablo Neruda**

**
NP-completeness is not a death certificate-it is only the beginning of a fascinating adventure.**
**Algorithms by S. Dasgupta, C.H. Papadimitriou, and U.V. Vazirani**

**
For n =10, there are something like 2^10000 possible
candidates for an incidence matrix.
Machines cannot cope with numbers of this magnitude.
But the right combination of computation and theory will
continue to produce worthwhile results.
**

** Do you recognize the author of these two paragraphs below? **

**
**

In everyone's life, at some time, our inner fire goes out. It is then burst into flame by an encounter with another human being. We should all be thankful for those people who rekindle the inner spirit. --- Albert Schweitzer Thoughts without content are empty, intuitions without concepts are blind. --- Immanuel Kant Such was the mathematician who departed from this life so quickly, leaving an everlasting source of inspiration to his generation and also to the coming ones. --- Goro Shimura (1989) The good times have only just begun. --- Bruno Buchberger (2008) Returning back from a good conference is like a small death. --- Jonathan Michael Borwein (2011/2012)