Page 46 - Knowing The Truth

44 KNOWING THE TRUTH

the brain. Because a person will never be able to get outside of his senses,
it's not possible to see what's outside. For this reason, everyone actually
lives an entire life relating to impressions of the world that are in his
brain.

AHMED: But people go to the moon and I can get on a plane and go
to another city. Doesn't that mean that space exists?

MURAD: Basically, ideas such as space, depth, size also form a part
of an impression. It's possible to understand this with the help of some
simple examples. In your dream, did you see the moon and the stars? Or,
as in your dream, did you get in a boat and go for a ride?

AHMED: Yes.

MURAD: The moon and stars in your dream are in the same space
as the stars you see while awake. Is that right?

AHMED: Yes, but...

IBRAHIM: Can I answer that? I studied this in an Optics course.
What we call space is a kind of three-dimensional seeing. What stimulate
the sense of space and depth in an impression are certain factors such as
perspective, shadow and movement.

MURAD: True. The kind of impression called space in the science of
Optics is part of a very complex system just as the impression of color is,
but to put it simply we can say, basically, that an impression that comes
to our eyes has only two dimensions. That is, it has height and width. The
fact that the dimensions of an impression meet the eye at an angle and
that the two eyes see two different impressions at the same time, causes
the sensation of depth and space. Every impression that strikes one eye is
different from the impression that strikes our other eye from the point of