The other aspect of the Sense-Perceptive Process has to do with the mental interpretation of environment.
Both these aspects are distinctly practical.
You should know something of the weaknesses and deficiencies of the sense-perceptive organs, because all your efforts at influencing other men are directed at their organs of sense.
SENSORY ILLUSIONS AND SUGGESTIONS FOR THEIR USE
[Sidenote: Unreliability of Sense-Organs]
Figure 1 shows two lines of equal length, yet the vertical line will to most persons seem longer than the horizontal one.
[Illustration: FIG. 1.]
In Figure 2 the lines A and B are of the same length, yet the lower seems much longer.
[Illustration: FIG. 2.]
Those things lo