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.


Leçons sur la Philosophie Chimique (1837), 60. Trans. S. Kapoor, 'Dumas and Organic Classification', Ambix, 1969

Jean-Baptiste Dumas Quotes

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...

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...

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...

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...