In chemistry, our theories are crutches; to show that they are valid, they must be used to walk... A theory established with the help of twenty facts must explain thirty, and lead to the discovery of ten more. — Jean-Baptiste Dumas Copy Share Image
In organic chemistry there exist certain types which are conserved even when, in place of hydrogen, equal volumes of chlorine, of bromine, etc. are… — Jean-Baptiste Dumas Copy Share Image
The chemical compounds are comparable to a system of planets in that the atoms are held together by chemical affinity. They may be more… — Jean-Baptiste Dumas Copy Share Image
I have seen many phases of life; I have moved in imperial circles, I have been a Minister of State; but if I had… — Jean-Baptiste Dumas Copy Share Image
In inorganic chemistry the radicals are simple; in organic chemistry they are compounds—that is the sole difference. — Jean-Baptiste Dumas Copy Share Image
In chemistry, our theories are crutches; to show that they are valid, they must be used to walk... A theory established with the help… — Jean-Baptiste Dumas Copy Share Image
