Of our five physical senses - sight, hearing, smell, taste, and touch - which do you think is predominant?

Some years ago a test was given in an English school to determine this for a class of boys. They were sent into a special room for two minutes. When they came out they were told to make a list of everything they had noticed there. Some listed as many as forty objects, some could list only ten. The significant part of the experiment was that the boys listed only those things they had seen. Noises from the street, the sound of a piano playing in another part of the building, and the scent of a cigar, purposely introduced into that room none of these sounds or smells was listed.

It is because of such experiments that students of human nature tell us that the things we see make a deeper…