Bob sent me this.
“You can know the name of a bird in all the
languages of the world, but when you're finished, you'll know absolutely
nothing whatever about the bird ... So let's look at the bird and see what
it's doing-—that's what counts. I learned very early the difference
between knowing the name of something and knowing something."
"What is Science?", presented at the fifteenth annual meeting of the
National Science Teachers Association, 1966 in New York City, and printed
in The Physics Teacher Vol. 7, issue 6, 1968, pp. 313-320.