Ever since I started studying at university, I have been surrounded with people who are a lot smarter than me. I had never felt as stupid as I did in my first year at the university.
I absolutely loved it. I received the opportunity to learn form great minds. Ever since, I have made a habit out of finding the people from whom I can learn the most.
That's what I think this quote is all about. It's about always finding new people (or things, of course) to learn from and I think that's worth sharing.
Now, as a little extra, the literal minded people among you will probably have readied a very sarcastic response to this quote. The best reaction I've gotten to this quote has to be this one
Following that logic to the extreme, no-one should ever be in the same room, or indeed a room by themselves.
This logic is of course infallible, but it somewhat defeats the purpose of the quote.