**Pedro
Nunes** (1502-1578): Pedro
Nunes site, Noniana
(Henrique Leitão)

**
Pedro Nunes,**
Learning is not inventing (from *Libro de Algebra, 1567)*

**G****alileo
Galilei, **On
the relativity of error (from *Discourses and Mathematical Demonstrations*,
1932)

**Albert
Einstein, **Geometry
and experience (on axiomatics and reality), 1921.

**Winston
****Churchill,** I
had a feeling once about Mathematics..., *My Early Life: 1874-1904, *1930.

**Eugene
Wigner**, The
unreasonable effectiveness of mathematics in the natural sciences, *Communications
in Pure and Applied Mathematics,* 13-1, February 1960.

**Richard
W. Hamming**, The
unreasonable effectiveness of mathematics, *American Mathematical Monthly,*
87-2, February 1980.

**Vladimir
Arnold**, On
teaching mathematics (Mathematics is part of physics...), extended text of
an address at Palais de la Découverte, Paris, March 7, 1997.

**JOKES:**
64 = 65?,
The hanging root,
limits,
Ensino
moderno da matemática (in Portuguese),
Triangle puzzle

Popularization of mathematics (in Portuguese)