Philosophy of science is about as useful to scientists as ornithology is to birds.
Richard P. FeynmanSo, ultimately, in order to understand nature it may be necessary to have a deeper understanding of mathematical relationships. But the real reason is that the subject is enjoyable, and although we humans cut nature up in different ways, and we have different courses in different departments, such compartmentaliz ation is really artificial, and we should take our intellectual pleasures where we find them.
Richard P. FeynmanIf we want to solve a problem that we have never solved before, we must leave the door to the unknown ajar.
Richard P. Feynman