Henri Lebesgue Professions : Mathematician Born : June 28, 1875 Died : July 26, 1941 Browse All Authors Top 4 quotes by Henri Lebesgue The only teaching that a professor can give, in my opinion, is that of thinking in front of his students. Henri Lebesgue teaching education math ... if one were to refuse to have direct, geometric, intuitive insights, if one were reduced to pure logic, which does not permit a choice among every thing that is exact, one would hardly think of many questions, and certain notions ... would escape us completely. Henri Lebesgue choices math thinking In my opinion a mathematician, in so far as he is a mathematician, need not preoccupy himself with philosophy-an opinion, moreover, which has been expressed by many philosophers. Henri Lebesgue philosophical math philosophy Mathematicians have never been in full agreement on their science, though it is said to be the science of self-evident verities -- absolute, indisputable and definitive. They have always been in controversy over developing aspects of mathematics, and they have always considered their own age to be in a period of crisis. Henri Lebesgue agreement self age Similar Authors Abram Samoilovitch Besicovitch mathematician Brahmagupta mathematician Augustus De Morgan mathematician Augustin-Louis Cauchy mathematician Atle Selberg mathematician Arthur Cayley mathematician All Authors