A quote that is often attributed to Richard Feynman is
Philosophy of science is about as useful to scientists as ornithology is to birds.
Is there any evidence to suggest that Richard Feynman actually said this?
The oldest two sources of the quote says it is anonymous, A Re- examination of the Metaphysical Foundations of Modern Science (1991), :
the anonymous remark that "philosophy of science is about as useful to scientists as ornithology is to birds."
and Process Thought: Its Value and Meaning to Me (1990)
It is the exceptional scientist who is interested in the philosophy of science. As one of them said, "The philosophy of science is as useful to a scientist as ornithology is to birds."
It is borrowing from a quote of Barnett Newman :
aesthetics is to artists what ornithology is to birds
as quoted in the 1974 article Aesthetics - Gone with Gregor