It is our responsibility as scientists, knowing the great progress which comes from a satisfactory philosophy of ignorance, the great progress which is the fruit of freedom of thought, to proclaim the value of this freedom; to teach how doubt is not to be feared but welcomed and discussed; and to demand this freedom as our duty to all coming generations.
Richard P. FeynmanOne cannot understand... the universality of laws of nature, the relationship of things, without an understanding of mathematics. There is no other way to do it.
Richard P. FeynmanPhilosophy of science is about as useful to scientists as ornithology is to birds.
Richard P. FeynmanIf you know that you are not sure, you have a chance to improve the situation. I want to demand this freedom for future generations.
Richard P. Feynman