You can see a lot by just looking. – Yogi Berra, also often quoted as “You can observe a lot by just looking.” (origi

To believe with certainty we must begin with doubting. – Stanislaus I of Poland

We used to think that if we knew one, we knew two, because one and one are two. We are finding that we must learn a great deal more about “and.” – Arthur Stanley Eddington

What you see, yet can not see over, is as good as infinite. – Thomas Carlyle, Sartor Resartus