trainers have observed a predictable and strange habit of fleas while
training them. Fleas are trained by putting them in a cardboard box with
a top on it. The fleas will jump up and hit the top of the cardboard box
over and over and over again. As you watch them jump and hit the lid,
something very interesting becomes obvious. After a period of jumping
and hitting their head, jumping and hitting their head, ther comes a
time when they modify what they their strategy! The fleas continue to jump,
but they are no longer jumping high enough to hit the top. Apparently
expectation forces them to limit the height of their jump.
you take off the lid, the fleas continue to jump, but they will not jump
out of the box. They won't jump out because they can't jump out. Why?
The reason is simple. They have conditioned themselves to jump just so
high. Once they have conditioned themselves to jump just so high, that's
all they can do!
times, people do the same thing. They restrict themselves and never
reach their potential. Just like the fleas, they fail to jump higher,
thinking they are doing all they can do.