Citação 1:
"Não há nenhum ramo da matemática, por mais abstrata, que não possa um dia ser aplicado a fenómenos do mundo real"
Citação in N Rose Mathematical Maxims and Minims (Raleigh N C 1988)
Citação 2:
In geometry I find certain imperfections which I hold to be the reason why this science, apart from transition into analytics, can as yet make no advance from that state in which it came to us from Euclid. As belonging to these imperfections, I consider the obscurity in the fundamental concepts of the geometrical magnitudes and in the manner and method of representing the measuring of these magnitudes, and finally the momentous gap in the theory of parallels, to fill which all efforts of mathematicians have so far been in vain.
Geometric researches on the theory of parallels (1840)
Pesquisas geométricas sobre a teoria de paralelos (1840)
Por Adília Gomes