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.

You say you are a nameless man. You are not to your wife and to your child. You will not long remain so to your immediate colleagues if you can answer their si…

There is one feature I notice that is generally missing in 'cargo cult science'... It's a kind of scientific integrity, a principle of scientific thought that …

The worthwhile problems are the ones you can really solve or help solve, the ones you can really contribute something to. ... No problem is too small or too tr…

Dum taxat, rerum magnarum parva potest res exemplare dare et vestigia notitiai.

Man, being the servant and interpreter of Nature, can do and understand so much and so much only as he has observed in fact or in thought of the course of natu…

There is nothing more practical than a good theory.