A student on a subway platform reading a musical score, his lips pursed— finger and foot tapping, I noticed. I couldn't hear any music, but I'm sure he could.
This reminded me that, humanly speaking, each of us lives in what is first of all a mental world. This is an important thread in the fabric of Christian Science. And a practical point. The things that are near the center of our own thought, or that of human thought in general, will tend to express themselves in our immediate world and in our affairs. What human beings see is the objectification of thinking and belief. As this fact dawns on us, we realize more and more how important it is that we observe our thought and defend it, discarding the dark and destructive concepts that come to us and welcoming the helpful and good thoughts.
If our world is primarily and secondarily mental, why does the external world seem so very vivid to us? Because, as Mary Baker Eddy explains, "mortal mind sees what it believes as certainly as it believes what it sees. It feels, hears, and sees its own thoughts. Pictures are mentally formed before the artist can convey them to canvas. So is it with all material conceptions." Science and Health, pp. 86-87;
